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Federal contract notices under NAICS 541, Professional, Scientific, and Technical Services. Prefixes include the longer codes.

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791 matches. Deadlines are Eastern time. Set-aside lines say who can bid.

Open bid

Opportunity to collaborate with school administration

NAVSUP Fleet Logistics Center Norfolk (FLCN) Pentagon Directorate Philadelphia Contracting Department located at 700 Robbins Ave Bldg. 2B Philadelphia, PA intends to solicit this requirement as a small business set aside to partner with a national education agency that collaborates with teachers…

Notice type	Combined Synopsis/Solicitation: Open for bids now. Everything you need to respond is in this notice.
Who's buying	Navsup Flt Log Ctr Norfolk, Dept of the Navy
Where	Millington, Tennessee
Deadline	Fri, Oct 23, 2026 at 4:00 PM EDT (due TODAY)
Who can bid	Only small businesses can bid
Industry	NAICS 541613 (Marketing Consulting Services)
Solicitation #	N0018927QD005
Posted	Wed, Oct 21, 2026
Contact	Shawn Thomas-Hopkins 771-229-3270 Adelina Lozzi 771-229-2283, [email protected]

Why this matched: NAICS 541613

Official posting

Open bid

Seaport - CTF Design Services Follow On

This opportunity is for SEAPORT NXG MAC HOLDERS ONLY and is a Small Business SET ASIDE. No other offers will be considered.

Notice type	Solicitation: Open for bids now. Download the solicitation documents from the official posting.
Who's buying	Nswc Philadelphia Div, Dept of the Navy
Where	Work location not listed. The buying office is in Philadelphia, Pennsylvania.
Deadline	Fri, Oct 23, 2026 at 6:00 PM EDT (due TODAY)
Who can bid	Only small businesses can bid
Industry	NAICS 541330 (Engineering Services)
Solicitation #	N6449826R0020
Posted	Tue, Oct 20, 2026
Contact	Shain Quigley, [email protected]

Why this matched: NAICS 541330

Official posting

Open bid

11th ABN DIV Historian and Coordination Support

On 19 October 2026, Amendment 0001 is added to the solicitation. Offers are being requested and a separate written solicitation will not be issued.

Notice type	Combined Synopsis/Solicitation: Open for bids now. Everything you need to respond is in this notice.
Who's buying	0413 Aq HQ Rco-Ak Wainwrig, Dept of the Army
Where	Jber, Alaska
Deadline	Fri, Oct 23, 2026 at 2:00 PM EDT (due TODAY)
Who can bid	Only small businesses can bid
Industry	NAICS 541611 (Administrative Management and General Management Consulting Services)
Solicitation #	W912D027QA002
Posted	Mon, Oct 19, 2026
Contact	Michelle Aguilar, [email protected]

Why this matched: NAICS 541611

Official posting

Open bid

Amplicon Sequencing Services

Research and Development in Biotechnology (except Nanobiotechnology) work for US Geological Survey.

Notice type	Solicitation: Open for bids now. Download the solicitation documents from the official posting.
Who's buying	Ofc of Acquisition Grants-Denver, US Geological Survey
Where	Work location not listed. The buying office is in Denver, Colorado.
Deadline	Fri, Oct 23, 2026 at 2:30 PM EDT (due TODAY)
Who can bid	Open to any business (no set-aside listed)
Industry	NAICS 541714 (Research and Development in Biotechnology (except Nanobiotechnology))
Solicitation #	140G0226Q0047
Posted	Fri, Oct 16, 2026
Contact	Sornberger, Yvette, [email protected]

Why this matched: NAICS 541714

Official posting

Open bid

Sizing Technology Pilot

16 October 2026 - Amendment 1 - The purpose of this amendment is to: Provide Government responses to industry questions.

Notice type	Solicitation: Open for bids now. Download the solicitation documents from the official posting.
Who's buying	W6qk Acc-Apg, Dept of the Army
Where	Work location not listed. The buying office is in Aberdeen Proving Grou, Maryland.
Deadline	Fri, Oct 23, 2026 at 10:00 AM EDT (due TODAY)
Who can bid	Open to any business (no set-aside)
Industry	NAICS 541512 (Computer Systems Design Services)
Solicitation #	HQDA-G-4_26_01
Posted	Fri, Oct 16, 2026
Contact	Mallory Harris, [email protected]

Why this matched: NAICS 541512

Official posting

Open bid

Automated Storage Module (ASM) Hardware for Hill AFB

The Defense Logistics Agency (DLA) J62 IT Hardware Division require the Rockwell Automation/Allen-Bradley control platforms to be deployed in support of the automation efforts at Hil AFB, the Automated Storage Module (ASM).

Notice type	Combined Synopsis/Solicitation: Open for bids now. Everything you need to respond is in this notice.
Who's buying	Dcso Philadelphia, Defense Logistics Agency
Where	Hill Air Force Base, Utah
Deadline	Fri, Oct 23, 2026 at 11:00 AM EDT (due TODAY)
Who can bid	Open to any business (no set-aside)
Industry	NAICS 541519 (Other Computer Related Services)
Solicitation #	SP4701-27-Q-0007
Posted	Fri, Oct 16, 2026
Contact	Josh Stolle, [email protected]

Why this matched: NAICS 541519

Official posting

Open bid

Data Center Land and Property Analysis

Surveying and Mapping (except Geophysical) Services work for National Aeronautics and Space Administration.

Notice type	Combined Synopsis/Solicitation: Open for bids now. Everything you need to respond is in this notice.
Who's buying	NASA Shared Services Center, National Aeronautics and Space Administration
Where	Work location not listed. The buying office is in Stennis Space Center, Mississippi.
Deadline	Fri, Oct 23, 2026 at 4:00 PM EDT (due TODAY)
Who can bid	Open to any business (no set-aside listed)
Industry	NAICS 541370 (Surveying and Mapping (except Geophysical) Services)
Solicitation #	80NSSC26940581Q2
Posted	Thu, Oct 15, 2026
Contact	TIFFANY NEAL, [email protected]

Why this matched: NAICS 541370

Official posting

Open bid

PM MAGTF C2 PMO Support Services Engineering and Logistics

The PM MAGTF C2 Program Office requires expert total life cycle acquisition services for all engineering. testing, logistics, and product support activities.

Notice type	Solicitation: Open for bids now. Download the solicitation documents from the official posting.
Who's buying	Commander, Dept of the Navy
Where	Work location not listed. The buying office is in Quantico, Virginia.
Deadline	Fri, Oct 23, 2026 at 1:00 PM EDT (due TODAY)
Who can bid	Only service-disabled veteran-owned small businesses can bid
Industry	NAICS 541330 (Engineering Services)
Solicitation #	M6785426R3008
Posted	Wed, Oct 14, 2026
Contact	Sarah Kilmer, [email protected]

Why this matched: NAICS 541330

Official posting

Open bid

NOI - A Non-Invasive Prognostic Biomarker - Circul

(i)This is a combined synopsis/solicitation for commercial items prepared in accordancewith the format in FAR Subpart 12.6, as supplemented with additional information includedin this notice. (ii)The solicitation number is 75N98027Q00007.

Notice type	Combined Synopsis/Solicitation: Open for bids now. Everything you need to respond is in this notice.
Who's buying	National Institutes of Health Olao, National Institutes of Health
Where	Work location not listed. The buying office is in Bethesda, Maryland.
Deadline	Fri, Oct 23, 2026 at 9:00 AM EDT (due TODAY)
Who can bid	Open to any business (no set-aside listed)
Industry	NAICS 541380 (Testing Laboratories and Services)
Solicitation #	75N98027Q00007
Posted	Tue, Oct 13, 2026
Contact	CAPOBIANCO, NICHOLAS S, [email protected]

Why this matched: NAICS 541380

Official posting

Open bid

Construction Inspection Services

The purpose of this Update is to amended documents to answer questions and update the Performance work statment, solicitation, Total Evaluated Price (TEP) Workbook and Quality assurance plan. As such, The final proposal due date is being updated to Oct 23, 2026 at 1:00PM Central Standard Time.

Notice type	Solicitation: Open for bids now. Download the solicitation documents from the official posting.
Who's buying	Cpo : Chicago Operations Branch, Housing and Urban Development, Department of
Where	Chicago, Illinois
Deadline	Fri, Oct 23, 2026 at 2:00 PM EDT (due TODAY)
Who can bid	Only small businesses can bid
Industry	NAICS 541310 (Architectural Services)
Solicitation #	86614126R00002
Posted	Tue, Oct 13, 2026
Contact	Christopher Rodriguez, [email protected]

Why this matched: NAICS 541310

Official posting

Open bid

Overseas Professional Support Services

This opportunity is for SeaPort NxG MAC holders only. Offers are being requested and a separate written solicitation will not be issued.

Notice type	Combined Synopsis/Solicitation: Open for bids now. Everything you need to respond is in this notice.
Who's buying	Navsup Flt Log Ctr Puget Sound, Dept of the Navy
Where	Work location not listed. The buying office is in Bremerton, Washington.
Deadline	Fri, Oct 23, 2026 at 5:00 PM EDT (due TODAY)
Who can bid	Only small businesses can bid
Industry	NAICS 541330 (Engineering Services)
Solicitation #	N0040627R0003
Posted	Wed, Oct 7, 2026
Contact	Adia Roberts, [email protected]

Why this matched: NAICS 541330

Official posting

Open bid

Geotechnical Engineering Services

The 76th MXSG unit is requesting a one-time contract for Geotechnical Engineering Services. Three boring locations will be identified and marked in the field by the MXSG Engineering Office.

Notice type	Combined Synopsis/Solicitation: Open for bids now. Everything you need to respond is in this notice.
Who's buying	Fa8126 Afsc Pzimb, Dept of the Air Force
Where	Tinker AFB, Oklahoma
Deadline	Fri, Oct 23, 2026 at 4:00 PM EDT (due TODAY)
Who can bid	Only small businesses can bid
Industry	NAICS 541330 (Engineering Services)
Solicitation #	FA812626Q0062
Posted	Wed, Sep 23, 2026
Contact	Shanita Manuel, [email protected]

Why this matched: NAICS 541330

Official posting

Open bid

Fdrmc Engineering Support Services

The Government intends to award a Cost Plus Fixed Fee task order under SeaPort NxG. Only active SeaPort contract holders are invited to bid.

Notice type	Solicitation: Open for bids now. Download the solicitation documents from the official posting.
Who's buying	Navsup Flc Sigonella Naples Office, Dept of the Navy
Where	Capodichino
Deadline	Fri, Oct 23, 2026 at 6:00 AM EDT (due TODAY)
Who can bid	Open to any business (no set-aside)
Industry	NAICS 541330 (Engineering Services)
Solicitation #	N6817126RN005
Posted	Fri, Sep 18, 2026
Contact	Ricardo Alberto Lopez, [email protected]

Why this matched: NAICS 541330

Official posting

Open bid

FOR SEAPORT-NXG MAC HOLDERS PROGRAM MANAGEMENT SUPPORT - FULL SMALL BUSINESS SET ASIDE Interested vendors are required to request access to restricted documents by emailing [email protected] (cc [email protected])

Login at https://piee.eb.mil and search for 'N6449826R3112' to obtain more details.*

Notice type	Solicitation: Open for bids now. Download the solicitation documents from the official posting.
Who's buying	Nswc Philadelphia Div, Dept of the Navy
Where	Work location not listed. The buying office is in Philadelphia, Pennsylvania.
Deadline	Fri, Oct 23, 2026 at 2:00 PM EDT (due TODAY)
Who can bid	Only small businesses can bid
Industry	NAICS 541330 (Engineering Services)
Solicitation #	N6449826R3112
Posted	Thu, Sep 10, 2026
Contact	Stephanie Tomaszewicz, [email protected]

Why this matched: NAICS 541330

Official posting

Open bid

PMX-201 PM Services Support Amendment 2

Engineering Services work for Dept of the Navy.

Notice type	Solicitation: Open for bids now. Download the solicitation documents from the official posting.
Who's buying	Naval Air Warfare Center Air Div, Dept of the Navy
Where	Work location not listed. The buying office is in Patuxent River, Maryland.
Deadline	Sat, Oct 24, 2026 at 5:00 PM EDT (due tomorrow)
Who can bid	Open to any business (no set-aside listed)
Industry	NAICS 541330 (Engineering Services)
Solicitation #	N0042127R3007
Posted	Wed, Oct 21, 2026
Contact	Bennett Wilson, [email protected]

Why this matched: NAICS 541330

Official posting

Open bid

Combined Synopsis/Solicitation for Commercial Items Agile Professional Services ("APS”) Department of the Army

10/20/2026: PROPOSAL SUBMISSION UPDATE - SEE UPDATED PROPOSAL SUBMISSION INSTRUCTIONS SUMMARY ONLY - SEE ATTACHED COMBINED SYNOPSIS/SOLICITATION DOCUMENT FOR FULL DETAIL APS _ Combined Synopsis/Solicitation Brief: Combined Synopsis/Solicitation for Commercial Items Agile Professional Services…

Notice type	Combined Synopsis/Solicitation: Open for bids now. Everything you need to respond is in this notice.
Who's buying	W6qk Acc-Apg-Orlando, Dept of the Army
Where	Orlando, Florida
Deadline	Sun, Oct 25, 2026 at 11:59 PM EDT (2 days left)
Who can bid	Only small businesses can bid
Industry	NAICS 541990 (All Other Professional, Scientific, and Technical Services)
Solicitation #	W900KK-26-R-A023
Posted	Tue, Oct 20, 2026
Contact	Troy Darling, [email protected]

Heads-up: Prevailing wage / wage determination applies · Security clearance mentioned

Why this matched: NAICS 541990

Official posting

Open bid

Hickman Borings Drilling and Testing

Historical borings in the area have penetrated the cemented sand and gravel, but the resulting samples were too disturbed to provide specimens for unconfined compressive strength tests.

Notice type	Solicitation: Open for bids now. Download the solicitation documents from the official posting.
Who's buying	W07v Endist Memphis, Dept of the Army
Where	Work location not listed. The buying office is in Memphis, Tennessee.
Deadline	Mon, Oct 26, 2026 at 12:00 PM EDT (3 days left)
Who can bid	Open to any business (no set-aside listed)
Industry	NAICS 541380 (Testing Laboratories and Services)
Solicitation #	W912EQ26QA050
Posted	Wed, Oct 21, 2026
Contact	Tijuana Harris, [email protected]

Why this matched: NAICS 541380

Official posting

Open bid

Environmental Disposal Liabilities Survey

Spokane VAMC requires a contractor to provide an Environmenatl Disposal Liabilities Survey, See incorporated SOW for detalis. This will be a FFP one time service Amendment 0001 extends the closing date, updates the Wage Determination and provides answers to questions.

Notice type	Solicitation: Open for bids now. Download the solicitation documents from the official posting.
Who's buying	260-Network Contract Office 20 (36c260), Veterans Affairs, Department of
Where	Spokane, Washington
Deadline	Mon, Oct 26, 2026 at 12:00 PM EDT (3 days left)
Who can bid	Only service-disabled veteran-owned small businesses can bid
Industry	NAICS 541620 (Environmental Consulting Services)
Solicitation #	36C26027Q0057
Posted	Tue, Oct 20, 2026
Contact	Brian Millington, [email protected]

Heads-up: Prevailing wage / wage determination applies

Why this matched: NAICS 541620

Official posting

Open bid

Micetro IP Management Renewal

This is the renewal of Micetro supporting centralized management of approximately 23,000 IP addresses across NIAID infrastructure systems.

Notice type	Combined Synopsis/Solicitation: Open for bids now. Everything you need to respond is in this notice.
Who's buying	Omas Strategic Buying Center - Information Technology, Office of the Assistant Secretary for Financial Resources (asfr)
Where	Bethesda, Maryland
Deadline	Mon, Oct 26, 2026 at 11:00 AM EDT (3 days left)
Who can bid	Open to any business (no set-aside)
Industry	NAICS 541519 (Other Computer Related Services)
Solicitation #	7571TE27Q00018
Posted	Tue, Oct 20, 2026
Contact	Damian Hurge, [email protected]

Why this matched: NAICS 541519

Official posting

Open bid

Stable Isotope Sample Analysis

The U.S. Geological Survey Florence Bascom Geoscience Center, Reston Virgina requires the Stable isotope analysis of carbonate microfossils. The period of performance is one year ARO.

Notice type	Solicitation: Open for bids now. Download the solicitation documents from the official posting.
Who's buying	Usgs Contracting Activity, Departmental Offices
Where	Work location not listed. The buying office is in Reston, Virginia.
Deadline	Mon, Oct 26, 2026 at 7:00 PM EDT (3 days left)
Who can bid	Open to any business (no set-aside listed)
Industry	NAICS 541380 (Testing Laboratories and Services)
Solicitation #	140GG027Q0001
Posted	Mon, Oct 19, 2026
Contact	Dixon, Mindie, [email protected]

Heads-up: Must be registered in SAM.gov

Why this matched: NAICS 541380

Official posting