![Carlin Conner](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>)
Carlin Conner
Director/Board Member at
MATRIX SERVICE COMPANY
Net worth: 756 500 $ as of 29/06/2026
Profile
Mr. Carlin G.
Conner is a Chief Executive Officer at International-Matex Tank Terminals LLC, an Independent Director at Matrix Service Co. and a Chief Executive Officer at Snowberry LLC.
He is on the Board of Directors at Matrix Service Co. Mr. Conner was previously employed as a Chairman, President & Chief Executive Officer by Rose Rock Midstream GP LLC, a President & Chief Executive Officer by Rose Rock Midstream LP, a President, Chief Executive Officer & Director by SemGroup Corp., a Managing Director by Oiltanking GmbH, an Executive Director-Terminals by Marquard & Bahls AG, a Chairman by OTLP GP LLC, a Chairman by Oiltanking Partners LP, and a President, Chief Executive Officer & Director by Oiltanking Holding Americas, Inc. He also served on the board at NGL Energy Holdings LLC, NGL Energy Partners LP and SemLogistics Milford Haven Ltd. He received his undergraduate degree from McNeese State University.
Known holdings in public companies
| Company | Date | Number of shares | Valuation | Valuation date |
|---|---|---|---|---|
| 03/11/2025 | 55,219 ( 0.2% ) | 756 500 $ | 29/06/2026 |
Carlin Conner active positions
| Companies | Position | Start |
|---|---|---|
| MATRIX SERVICE COMPANY | Director/Board Member | 16/08/2020 |
Snowberry LLC | Chief Executive Officer | 31/03/2020 |
International-Matex Tank Terminals LLC
 International-Matex Tank Terminals LLC Other TransportationTransportation Engages in handling and storage of liquid products | Chief Executive Officer | 28/02/2021 |
Former positions of Carlin Conner
| Companies | Position | End |
|---|---|---|
| SEMGROUP CORPORATION | Chief Executive Officer | 31/12/2019 |
Valero Pembrokeshire Oil Terminal Ltd.
 Valero Pembrokeshire Oil Terminal Ltd. Other TransportationTransportation Owns and operates oil storage facilities | Director/Board Member | 11/04/2018 |
Rose Rock Midstream GP LLC
 Rose Rock Midstream GP LLC Oil & Gas PipelinesIndustrial Services Operates and manages a diversified portfolio of midstream energy assets | Chief Executive Officer | 31/08/2016 |
Marquard & Bahls AG
 Marquard & Bahls AG Wholesale DistributorsDistribution Services Operates as a holding company whose subsidiaries engages in supply of petroleum products, chemicals and provides logistics & warehousing services | Corporate Officer/Principal | 31/12/2014 |
NGL Energy Holdings LLC
 NGL Energy Holdings LLC Financial ConglomeratesFinance Functions as an investment holding company | Director/Board Member | 26/10/2014 |
Training of Carlin Conner
Experiences
Positions held
Active
Inactive
Listed companies
Private companies
Connections
46
1st degree connections
15
1st degree companies
Male
Female
Members of the board
Executives
Linked companies
| Private companies | 15 |
|---|---|
Matrix Service Co.
 Matrix Service Co. Engineering & ConstructionIndustrial Services Provides fabrication, infrastructure, construction, and maintenance services | Industrial Services |
SemGroup LLC
 SemGroup LLC Oil & Gas PipelinesIndustrial Services Provides gathering, transportation, storage, distribution, marketing and midstream services to petroleum products | Industrial Services |
Oiltanking Partners LP
 Oiltanking Partners LP Wholesale DistributorsDistribution Services Engages in terminaling, storage and transportation of crude oil, refined petroleum products & liquefied petroleum gas | Distribution Services |
Rose Rock Midstream LP
 Rose Rock Midstream LP Oil & Gas PipelinesIndustrial Services Owns, operates, develops and acquires a diversified portfolio of midstream energy assets | Industrial Services |
Oiltanking GmbH
 Oiltanking GmbH Other TransportationTransportation Provides tank storage terminals | Transportation |
Marquard & Bahls AG
Marquard & Bahls AG Wholesale DistributorsDistribution Services Operates as a holding company whose subsidiaries engages in supply of petroleum products, chemicals and provides logistics & warehousing services | Distribution Services |
McNeese State University
 McNeese State University Other Consumer ServicesConsumer Services Functions as a College/University | Consumer Services |
International-Matex Tank Terminals LLC
International-Matex Tank Terminals LLC Other TransportationTransportation Engages in handling and storage of liquid products | Transportation |
Valero Pembrokeshire Oil Terminal Ltd.
Valero Pembrokeshire Oil Terminal Ltd. Other TransportationTransportation Owns and operates oil storage facilities | Transportation |
NGL Energy Partners LP
 NGL Energy Partners LP Oil & Gas PipelinesIndustrial Services Owns and operates propane and other natural gas businesses | Industrial Services |
NGL Energy Holdings LLC
NGL Energy Holdings LLC Financial ConglomeratesFinance Functions as an investment holding company | Finance |
OTA Holdings, Inc.
 OTA Holdings, Inc. Wholesale DistributorsDistribution Services Operates as a holding company with interests in bulk terminals | Distribution Services |
OTLP GP LLC
 OTLP GP LLC Wholesale DistributorsDistribution Services Engages in terminaling, storage and transportation of crude oil, refined petroleum products, and liquefied petroleum gas | Distribution Services |
Rose Rock Midstream GP LLC
Rose Rock Midstream GP LLC Oil & Gas PipelinesIndustrial Services Operates and manages a diversified portfolio of midstream energy assets | Industrial Services |
Snowberry LLC | Retail Trade |
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