Federal contractor profile

MARK RUEFENACHT

UEI CGVAMY2EAHL3CAGE 4NMH7

Active

Small Business

Overview

Legal name: MARK RUEFENACHT
Registered location: CONCORD, CA, USA
Primary NAICS: 541690 — Other Scientific and Technical Consulting Services
Latest award activity: Sep 15, 2025

Read company summary

MARK RUEFENACHT is associated with UEI CGVAMY2EAHL3 and CAGE 4NMH7 in public federal records. AcornBids currently links 2 prime awards totaling $11.1K in obligations to this entity. Its largest recorded federal customer by obligations is Department of Commerce. Its recorded federal awards include work classified as All Other Professional, Scientific, and Technical Services; Other Scientific and Technical Consulting Services. These categories describe the loaded award records, not a complete list of company capabilities. Its primary SAM.gov NAICS is 541690 (Other Scientific and Technical Consulting Services). Its public SAM.gov registration lists CONCORD, CA, USA.

At a glance

Lifetime prime obligations$11.1K

Prime awards2

Awards with future end dates0

Top-agency concentration

Not available

Why this customer concentration

Detailed agency totals are not available in this stored profile.

Largest positive coded-agency total ÷ all positive coded-agency totals × 100

Missing data is shown as unavailable.

Prime contract obligations across loaded award records. Obligations are not revenue or contract ceilings. Summary updated Oct 24, 2026. Refresh pending; these totals may be out of date.

Business information

Public SAM.gov registration details.

Legal name: MARK RUEFENACHT
UEI: CGVAMY2EAHL3
CAGE: 4NMH7
Registered address: 1400 WILLOW PASS COURT, CONCORD, CA, 94520, USA
Registration status: Active
Primary NAICS: 541690 — Other Scientific and Technical Consulting Services
SAM activation: Sep 11, 2025
Initial registration: Feb 9, 2007
Entity start: Jan 1, 2007
SAM updated: Sep 11, 2025
Registration expires: Sep 9, 2026
Fiscal year end: Dec 31
Place of incorporation: CA, USA

View SAM.gov source

Research brief

Source facts

Loaded prime-award records link 2 awards and $11,134 in reported obligations to this legal entity. Source
Recorded awards include All Other Professional, Scientific, and Technical Services (NAICS 541990); this classification is not proof of every company capability. Source
An example award describes: OU60-25-NEW-013 ASSESSMENT OF 200381-0 ARIZONA DEPARTMENT OF AGRICULTURE WEIGHTS AND MEASURES DIVISION, 4425 WEST OLIVE AVENUE, SUITE 134, GLENDALE, AZ 85302-3844 Source

Federal award analysis

Net transaction obligations by federal fiscal period.

Selected transaction obligations$6.0K

Prime contracts

$6.0KFY2025

Reported transaction obligations by federal fiscal period; includes deobligations. Missing transactions are not estimated. Histories follow awards currently assigned to this recipient and may include transactions under an earlier recipient. Coverage: 2 of 2 selected awards. Select a period to explore its awards.

Explore funding & geography →View quarterly funding

Recent federal awards

Prime contract awards. Select an award to review its history and source evidence.

Award / description	Awarding agency	Obligations	Start date	End date
1333ND25PNB640510OU60-25-NEW-013 ASSESSMENT OF 200381-0 ARIZONA DEPARTMENT OF AGRICULTURE WEIGHTS AND MEASURES DIVISION, 4425 WEST OLIVE AVENUE, SUITE 134, GLENDALE, AZ 85302-3844	Department of Commerce	$6.0K	Sep 15, 2025	Nov 30, 2025
1333ND22PNB600658CONDUCT AN ASSESSMENT OF NVLAP LAB CODE 200446 WSDA WEIGHTS AND MEASURES PROGRAM METROLOGY LABORATORY	Department of Commerce	$5.1K	Sep 22, 2022	Dec 31, 2022

Explore, filter and export all awards →Subcontracts Grants & subgrants

Registration, certifications & contacts

Registration evidence	Date
SAM updated	Sep 11, 2025
Source loaded	Sep 2, 2026
Initial registration	Feb 9, 2007
Entity start	Jan 1, 2007

Registration classifications: Small Business. These are separate from the reported certificates above.

Industry	Reported size status
541330 — Engineering Services	Not reported
541690 — Other Scientific and Technical Consulting Services	Not reported
561611 — Investigation and Personal Background Check Services	Not reported

Contact	Role	Published contact methods	Evidence	Source date
MARK RUEFENACHT RUEFENACHT	Government business	Contact method not published	SAM registration	Not available
MARK RUEFENACHT	Alternate government business	Contact method not published	SAM registration	Not available
MARK RUEFENACHT	Electronic business	Contact method not published	SAM registration	Not available
MARK RUEFENACHT	Alternate electronic business	Contact method not published	SAM registration	Not available

Registered industries

541330 — Engineering Services
541690 — Other Scientific and Technical Consulting Services
561611 — Investigation and Personal Background Check Services

Registration classifications and published certificates do not by themselves establish eligibility for a particular solicitation. View SAM source

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About MARK RUEFENACHT

What products and services appear in its federal awards?

Recorded award industries: 541990 — All Other Professional, Scientific, and Technical Services; 541690 — Other Scientific and Technical Consulting Services.

Recorded products and services: R425 — Engineering and Technical Services.

Examples from recent award records:

These records describe federal award work, not every company capability. Review the award evidence.

Where is the company registered?

1400 WILLOW PASS COURT, CONCORD, California 94520, United States

Registered location from SAM.gov; award performance locations may differ.

What is its primary registered industry?

541690 — Other Scientific and Technical Consulting Services.

Primary SAM.gov NAICS classification.

Which federal agencies are represented in its awards?

Department of Commerce.

Explore the company’s federal awards

Data coverage and methodology

Sources: SAM.gov registration, USAspending awards and transactions, and linked supporting records. Prime contract obligations, IDV ceilings and assistance amounts are kept separate. Missing records are not zero activity. Company claims are labeled separately. Recompete signals are rule-based scores out of 100. Positioning windows are AcornBids estimates.

Disclosed relationships only. Missing records do not establish that a contractor has no partners. Ambiguous parent award identifiers are excluded.

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