Career history of Jerry E. Ryan
Former positions of Jerry E. Ryan
| Companies | Position | Start | End |
|---|---|---|---|
| EMCOR GROUP, INC. | Director/Board Member | 2007-12-14 | 2019-05-29 |
| Independent Dir/Board Member | 2007-12-14 | 2019-05-29 | |
| WILLIAMS INDUSTRIAL SERVICES GROUP INC. | Director/Board Member | 2008-06-14 | 2008-06-14 |
Lone Star Technologies, Inc.
 Lone Star Technologies, Inc. Oilfield Services/EquipmentIndustrial Services Lone Star Technologies, Inc. manufactures and markets steel tubular products. The company provides alloy and carbon welded oil tubular goods, including casing and production tubing which are used in the completion of production from oil and natural gas wells. Lone Star Technologies was founded in 1966 and is headquartered in Dallas, TX. | Director/Board Member | 1999-12-31 | 2007-06-14 |
| AAON, INC. | Director/Board Member | 2000-12-31 | 2007-04-09 |
Fintube LP
 Fintube LP SteelNon-Energy Minerals Part of Rosa & Unis LLC, Fintube LP is a company that manufactures finned tubes used in a variety of heat recovery applications. The company is based in Tulsa, OK. | Chief Executive Officer | 1984-12-31 | 1999-12-31 |
| Chairman | 1984-12-31 | 1999-12-31 |
Statistics
International
| United States | 6 |
Operational
| Director/Board Member | 4 |
| Independent Dir/Board Member | 1 |
| Chief Executive Officer | 1 |
Sectoral
| Industrial Services | 4 |
| Producer Manufacturing | 2 |
| Non-Energy Minerals | 2 |
Positions held
Active
Inactive
Listed companies
Private companies
Linked companies
| Listed companies | 3 |
|---|---|
| AAON, INC. | Producer Manufacturing |
| EMCOR GROUP, INC. | Industrial Services |
| WILLIAMS INDUSTRIAL SERVICES GROUP INC. | Industrial Services |
| Private companies | 2 |
|---|---|
Lone Star Technologies, Inc.
Lone Star Technologies, Inc. Oilfield Services/EquipmentIndustrial Services Lone Star Technologies, Inc. manufactures and markets steel tubular products. The company provides alloy and carbon welded oil tubular goods, including casing and production tubing which are used in the completion of production from oil and natural gas wells. Lone Star Technologies was founded in 1966 and is headquartered in Dallas, TX. | Industrial Services |
Fintube LP
Fintube LP SteelNon-Energy Minerals Part of Rosa & Unis LLC, Fintube LP is a company that manufactures finned tubes used in a variety of heat recovery applications. The company is based in Tulsa, OK. | Non-Energy Minerals |
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