Every fact below carries a source link and an as-of date. Informational only. Ownership statements are limited to primary announcements and filings.
- Headquarters
- Baraboo, WisconsinSource: msa-ps.com · As of 2026-10-06
- Ownership type
- Employee-owned (ESOP): firm pages describe employee owners; DOL Form 5500 lists MSA Professional Services, Inc. Employee Stock Ownership Plan; firm CEO announcement discusses the ESOP trustee roleSource: msa-ps.com/who-we-are/news/msa-welcomes-ni… · As of 2026-10-06
- Sponsor or parent
- Firm CEO announcement: employee-owned S-Corporation trust with ESOP trustee; DOL ESOP filing under MSA Professional Services, Inc.Source: msa-ps.com/who-we-are/news/msa-welcomes-ni… · As of 2026-10-06
- Employees
- Over 550 employees across 19 offices, per the firm history pageSource: msa-ps.com/employee-owners-partners-neighb… · As of 2026-10-06
- Website
- msa-ps.comSource: msa-ps.com · As of 2026-10-06
Legal name, DBA and former names
- MSA Professional Services, Inc.Source: msa-ps.com/employee-owners-partners-neighb… · As of 2026-10-06
Identifiers (UEI, state registrations)
- SAM UEI ULMGDGEXRCE8 (as shown on the USAspending recipient record) and Texas TBPELS firm no. 18472.Source: usaspending.gov/recipient/12f3243a-a655-3823-23… · As of 2026-10-06
Offices
- 19 offices, per the firm history page.Source: msa-ps.com/employee-owners-partners-neighb… · As of 2026-10-06
Ownership type
- Employee-owned (ESOP): firm pages describe employee owners; DOL Form 5500 lists MSA Professional Services, Inc. Employee Stock Ownership Plan; firm CEO announcement discusses the ESOP trustee role.Source: msa-ps.com/who-we-are/news/msa-welcomes-ni… · As of 2026-10-06
Sponsor, parent or transaction
- Firm CEO announcement: employee-owned S-Corporation trust with ESOP trustee; DOL ESOP filing under MSA Professional Services, Inc.Source: msa-ps.com/who-we-are/news/msa-welcomes-ni… · As of 2026-10-06
Employee count or band
- Over 550 employees across 19 offices, per the firm history page.Source: msa-ps.com/employee-owners-partners-neighb… · As of 2026-10-06
Services and markets
- Full-service multidisciplinary consulting including buildings, planning, agricultural services and related infrastructure.Source: msa-ps.com/employee-owners-partners-neighb… · As of 2026-10-06
Leaders
- Nick Wagner, CEO.Source: msa-ps.com/who-we-are/news/msa-welcomes-ni… · As of 2026-10-06
Licences (board records)
- Texas TBPELS roster lists MSA Professional Services, Inc. DBA OURSTON (firm no. 18472, type NS, expires 2027-01-31)Source: tbpedownloads.s3-us-west-2.amazonaws.com/roster_firm.zip · As of 2026-10-04
Federal awards (contracts)
- USAspending recipient record MSA PROFESSIONAL SERVICES, INC. (Baraboo, WI), contract award obligations: FY2021 $0, FY2022 $0, FY2023 $0, FY2024 $0, FY2025 $0 (award types A to D; obligations as published, including modifications and negative adjustments)Source: usaspending.gov/recipient/12f3243a-a655-3823-23… · As of 2026-10-06
ESOP plan data (Form 5500)
- DOL Form 5500 plan year beginning 2024-01-01: MSA PROFESSIONAL SERVICES, INC. EMPLOYEE STOCK OWNERSHIP PLAN (ACK_ID 20250731124411NAL0003067395001), 467 active participants and total plan assets of $63,405,454 at year end.Source: dol.gov/agencies/ebsa/about-ebsa/our-ac… · As of 2025-07-31
Public filings
- DOL Form 5500 filings, plan year beginning 2024-01-01, NAICS 541330: MSA PROFESSIONAL SERVICES, INC. EMPLOYEE STOCK OWNERSHIP PLAN (ACK_ID 20250731124411NAL0003067395001, 467 active participants); MSA PROFESSIONAL SERVICES, INC. SAVINGS PLAN (ACK_ID 20250717092953NAL0000052673001, 459 active participants)Source: dol.gov/agencies/ebsa/about-ebsa/our-ac… · As of 2025-07-31
Rankings and awards
- Listed in the ENR 2026 Top 500 Design Firms.Source: enr.com/toplists/2026-top-500-design-fi… · As of 2026-10-05
Sources of record
- https://www.msa-ps.com/employee-owners-partners-neighbors/our-history/
- https://www.usaspending.gov/recipient/12f3243a-a655-3823-23d6-26d9acc0c727-P/latest
- https://www.msa-ps.com/
- https://www.msa-ps.com/who-we-are/news/msa-welcomes-nick-wagner-as-new-ceo/
- https://www.msa-ps.com/employee-owners-partners-neighbors/
- https://tbpedownloads.s3-us-west-2.amazonaws.com/roster_firm.zip
- https://www.dol.gov/agencies/ebsa/about-ebsa/our-activities/public-disclosure/foia/form-5500-datasets
- https://www.enr.com/toplists/2026-top-500-design-firms-3
Ownership tag: Employee-owned (ESOP). Profiles are informational, compiled from public sources linked above. Firms may request corrections. A listing is not an endorsement.
