Mathew Nelker

Contracting Officer · OPERATION SERVICES · Department of the Treasury

Email	mathew.nelker@irs.gov
Phone	240-613-7381
On SAM.gov notices	61 since Jul 2015 — 14 in the last 24 months
Last listed	Oct 2026

What they buy

NAICS	Industry	Notices
493110	General Warehousing And Storage	18
541611	Administrative Management And General Management Consulting Services	6
541519	Other Computer Related Services	5
541219	Other Accounting Services	5
519130	Internet Publishing And Broadcasting And Web Search Portals	4
541330	Engineering Services	3
561210	Facilities Support Services	3
238210	Electrical Contractors And Other Wiring Installation Contractors	2

PSC	Product or service	Notices
R	SUPPORT SVCS (PROF, ADMIN, MGMT)	14
R706	SUPPORT- MANAGEMENT: LOGISTICS SUPPORT	10
R704	SUPPORT- MANAGEMENT: AUDITING	5
DF01	IT AND TELECOM - IT MANAGEMENT SUPPORT SERVICES (LABOR)	4
D317	IT AND TELECOM- WEB-BASED SUBSCRIPTION	4
B	SPECIAL STUDIES/ANALYSIS, NOT R&D	3
B524	SPECIAL STUDIES/ANALYSIS- MATHEMATICAL/STATISTICAL	2
N061	INSTALLATION OF EQUIPMENT- ELECTRIC WIRE AND POWER DISTRIBUTION EQUIPMENT	2

How they restrict competition

No set-aside stated — 47
NONE — 7
Small Business — 6
EDWOSB — 1

What they post

Sources Sought — 20
Combined Synopsis/Solicitation — 13
Presolicitation — 10
Special Notice — 10
Solicitation — 5
Justification — 2
Fair Opportunity / Limited Sources Justification — 1

Who won their award notices

Awardee	Award notices	Latest
URS Federal Services, Inc., an AECOM Company	1	Jul 2018

Recent notices

Cafeteria & Vending Services for Martinsburg Enterprise Computing Center (ECC) — Justification, Oct 2026
Electric Utility Services, Andover, MA — Justification, Oct 2026
Electrical and Data Cabling Installation, Greensboro, NC — Special Notice, Sep 2026
Internal Revenue Service (IRS) Greensboro, NC - Electrical and Data Cabling Installation Services — Sources Sought, May 2026

Listed alongside

Annette Jones
Kevin Nesmith
Wayne S. Plummer
Michael Kreacic
William Scheier
James Eckhardt
Nicole Jackson

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Source: SAM.gov contract notices that list this contact, including SAM's fiscal-year archives from FY2015. FedSift republishes public federal procurement data and is not affiliated with the U.S. Government. Is this you? Ask us to remove this page.