Federal contractor profile

MASON STILWELL

UEI XU47HKJC8MZ7CAGE 17A99

Active

Small Business

Overview

Legal name: MASON STILWELL
Registered location: SEATTLE, WA, USA
Primary NAICS: 518210 — Computing Infrastructure Providers, Data Processing, Web Hosting, and Related Services
Latest award activity: Nov 28, 2025

Read company summary

MASON STILWELL is associated with UEI XU47HKJC8MZ7 and CAGE 17A99 in public federal records. AcornBids currently links 1 prime award totaling $140.0K in obligations to this entity. Its largest recorded federal customer by obligations is Smithsonian Institution. Its recorded federal awards include work classified as Other Computer Related Services. These categories describe the loaded award records, not a complete list of company capabilities. Its primary SAM.gov NAICS is 518210 (Computing Infrastructure Providers, Data Processing, Web Hosting, and Related Services). Its public SAM.gov registration lists SEATTLE, WA, USA.

At a glance

Lifetime prime obligations$140.0K

Prime awards1

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 Sep 20, 2026. Refresh pending; these totals may be out of date.

Business information

Public SAM.gov registration details.

Legal name: MASON STILWELL
UEI: XU47HKJC8MZ7
CAGE: 17A99
Registered address: 162 19TH AVE UNIT 401, SEATTLE, WA, 98122, USA
Registration status: Active
Primary NAICS: 518210 — Computing Infrastructure Providers, Data Processing, Web Hosting, and Related Services
SAM activation: Dec 9, 2025
Initial registration: Oct 30, 2025
Entity start: Oct 30, 2025
SAM updated: Dec 9, 2025
Registration expires: Dec 4, 2026
Fiscal year end: Nov 1

View SAM.gov source

Federal award analysis

Net transaction obligations by federal fiscal period.

Transaction history is not available in the loaded data. Annual funding is not estimated from current award totals.

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
33330226CF0010034PROFESSIONAL, TECHNICAL, AND NON-PERSONAL SERVICES OF SOFTWARE DEVELOPMENT FOR THE FORESTGEO APP PROJECT.	Smithsonian Institution	$140.0K	Nov 28, 2025	Dec 8, 2025

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

Registration, certifications & contacts

Registration evidence	Date
SAM updated	Dec 9, 2025
Source loaded	Sep 19, 2026
Initial registration	Oct 30, 2025
Entity start	Oct 30, 2025

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

Industry	Reported size status
518210 — Computing Infrastructure Providers, Data Processing, Web Hosting, and Related Services	Not reported

Contact	Role	Published contact methods	Evidence	Source date
MASON S STILWELL	Government business	Contact method not published	SAM registration	Not available
MASON S STILWELL	Electronic business	Contact method not published	SAM registration	Not available

Registered industries

518210 — Computing Infrastructure Providers, Data Processing, Web Hosting, and Related Services

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