Mathew Nelker

Contracting Officer Internal Revenue Service

Email
mathew.nelker@irs.gov
Phone
(202) 874-2183
Latest SAM.gov record

Contact facts

SAM.gov notices
17
First SAM.gov record

Notices come from SAM.gov.

SAM.gov notices

Notice Posted
Cafeteria & Vending Services for Martinsburg Enterprise Computing Center (ECC) Limited / Sole Source Justification
Electric Utility Services, Andover, MA Limited / Sole Source Justification
Electrical and Data Cabling Installation, Greensboro, NC Special Notice
Internal Revenue Service (IRS) Greensboro, NC - Electrical and Data Cabling Installation Services Pre-Solicitation
Cardboard & Paper and Trash & Waste Removal and Disposal Services for the Internal Revenue Service (IRS) Campus location in Andover, MA Pre-Solicitation
Preventative Maintenance for Manitowoc Ice Machines at IRS buildings in Fresno, CA. Pre-Solicitation
Sources Sought Notice (SSN) - TREASURY - IRS, Homeland Security Presidential Directive-12 (HSPD-12) Credential Issuance and Maintenance Pre-Solicitation
IRS Explosive Detection Canine Team (EDCT) Services Pre-Solicitation
National Support Services Contract (NSSC) Architect-Engineering and Related Support Services Pre-Solicitation
Notice of RFQ No. 2032H8-24-Q-00023 for IRS FINANCIAL MANAGEMENT AND AUDIT SUPPORT SERVICES Pre-Solicitation
Sources Sought Notice for IRS Customer Experience Research Pre-Solicitation
Notice of RFQ No. 2032H8-24-Q-00054 - IRS, Technical Integrations Support Special Notice
Internal Revenue Service (IRS) CFO Financial Management and Audit Support Services - Sources Sought Notice (SSN) Pre-Solicitation
Support for Creating a Public Dataset for the Department of Education’s Gainful Employment / Financial Value Transparency Solicitation
Request for Information (RFI) No. 2032H8-24-N-00010 - IRS Financial Management & Audit Support Services Pre-Solicitation
Internal Revenue Service (IRS) – Professional Financial Management and Audit Support Services Pre-Solicitation
Show 6 more

Latest 16 of 17 listed here. See the rest on GovTribe.

Top NAICS codes

Rank NAICS code SAM.gov records
1 541219 Other Accounting Services 4
2 238210 Electrical Contractors and Other Wiring Installation Contractors 2
3 221122 Electric Power Distribution 1
4 541330 Engineering Services 1
5 541519 Other Computer Related Services 1
6 541611 Administrative Management and General Management Consulting Services 1
7 541690 Other Scientific and Technical Consulting Services 1
8 561612 Security Guards and Patrol Services 1
9 562111 Solid Waste Collection 1
10 722310 Food Service Contractors 1

Top PSC codes

Rank PSC code SAM.gov records
1 R704 Support- Management: Auditing 4
2 N061 Installation Of Equipment- Electric Wire And Power Distribution Equipment 2
3 B524 Special Studies/Analysis- Mathematical/Statistical 1
4 C211 Architect And Engineering- General: Landscaping, Interior Layout, And Designing 1
5 DF01 It And Telecom - It Management Support Services (Labor) 1
6 J041 Maint/Repair/Rebuild Of Equipment- Refrigeration, Air Conditioning, And Air Circulating Equipment 1
7 R408 Support- Professional: Program Management/Support 1
8 R422 Support- Professional: Market Research/Public Opinion 1
9 S112 Utilities- Electric 1
10 S203 Housekeeping- Food 1

Other records

Record Kind
I_1_b PWS - Cardboard Paper Trash and Waste Removal and Disposal Services 3-6-26.docx Government file
I_1_b PWS - Cardboard Paper Trash and Waste Removal and Disposal Services 2-27-26.docx Government file
HSPD12 Credentialing Services - Sources Sought Notice Market Research 11-6-25.pdf Government file
I_8_2032H8-25-R-00015 Synopsis REV1.pdf Government file
I_8_2032H8-25-R-00015 Attachment A PPQ.pdf Government file
EDCT Sources Sought Notice Market Research 6.26.25.pdf Government file

Quick answers

Who is Mathew Nelker?

Mathew Nelker is a Contracting Officer at Internal Revenue Service (Department of the Treasury). Point of contact on 17 SAM.gov notices, from April 15, 2024 to October 8, 2026.

How do I contact Mathew Nelker?

SAM.gov lists Mathew Nelker's email mathew.nelker@irs.gov and phone (202) 874-2183.

What is the latest SAM.gov notice naming Mathew Nelker?

Cafeteria & Vending Services for Martinsburg Enterprise Computing Center (ECC), limited / sole source justification, posted October 8, 2026.

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