![Joseph Grumski](data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" fill="%231b1b1b" class="bi bi-person-fill" viewBox="0 0 16 16"><path d="M3 14s-1 0-1-1 1-4 6-4 6 3 6 4-1 1-1 1zm5-6a3 3 0 1 0 0-6 3 3 0 0 0 0 6"/></svg>)
Net worth: 966 876 $ as of 2026-06-29
Mr. Joseph T.
Grumski is an Independent Director at Perma-Fix Environmental Services, Inc. and a Chief Executive Officer at TAS Energy, Inc. He is on the Board of Directors at Perma-Fix Environmental Services, Inc. Mr. Grumski was previously employed as a Senior Vice President & General Manager by SAIC Gemini, Inc., a Principal by Gulf Oil LP, a Principal by Lockheed Martin Global, Inc., and a Principal by Wilmerding Licensing Corp.
He received his undergraduate degree from the University of Pittsburgh and a graduate degree from West Virginia University.
| Company | Date | Number of shares | Valuation | Valuation date |
|---|---|---|---|---|
| 2026-06-30 | 67,661 ( 0.32% ) | 966 876 $ | 2026-06-29 |
| Companies | Position | Start |
|---|---|---|
| PERMA-FIX ENVIRONMENTAL SERVICES, INC. | Director/Board Member | 2020-02-03 |
TAS Energy, Inc.
 TAS Energy, Inc. Electric UtilitiesUtilities Provides modular energy solutions for the power generation industry | Chief Executive Officer | 2013-04-30 |
| Companies | Position | End |
|---|---|---|
| SCIENCE APPLICATIONS INTERNATIONAL CORPORATION | Corporate Officer/Principal | 2013-01-31 |
Wilmerding Licensing Corp.
 Wilmerding Licensing Corp. Electrical ProductsProducer Manufacturing Manufactures portable generators, televisions and electronics | Corporate Officer/Principal | - |
Lockheed Martin Global, Inc.
 Lockheed Martin Global, Inc. Air Freight/CouriersTransportation Provides marketing and distribution services | Corporate Officer/Principal | - |
Gulf Oil LP
 Gulf Oil LP Specialty StoresRetail Trade Operates gasoline stations | Corporate Officer/Principal | - |
Active
Inactive
Listed companies
Private companies
1st degree connections
1st degree companies
Male
Female
Members of the board
Executives
| Private companies | 8 |
|---|---|
Perma-Fix Environmental Services, Inc.
 Perma-Fix Environmental Services, Inc. Environmental ServicesIndustrial Services Provides nuclear and industrial waste management services | Industrial Services |
TAS Energy, Inc.
TAS Energy, Inc. Electric UtilitiesUtilities Provides modular energy solutions for the power generation industry | Utilities |
Science Applications International Corp.
 Science Applications International Corp. Information Technology ServicesTechnology Services Provides defense and intelligence & civilian system services | Technology Services |
University of Pittsburgh
 University of Pittsburgh Other Consumer ServicesConsumer Services Functions as a College/University | Consumer Services |
Wilmerding Licensing Corp.
Wilmerding Licensing Corp. Electrical ProductsProducer Manufacturing Manufactures portable generators, televisions and electronics | Producer Manufacturing |
Gulf Oil LP
Gulf Oil LP Specialty StoresRetail Trade Operates gasoline stations | Retail Trade |
West Virginia University
 West Virginia University Other Consumer ServicesConsumer Services Functions as a College/University | Consumer Services |
Lockheed Martin Global, Inc.
Lockheed Martin Global, Inc. Air Freight/CouriersTransportation Provides marketing and distribution services | Transportation |
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