John Longmaid
President at John H Longmaid Designs, Inc.
Net worth: 61 M $ as of 2024-03-30
Network origin in John Longmaid first degree
| Entity | Entity type | Industry | |
|---|---|---|---|
| Public Company | Investment Trusts/Mutual Funds | 23 | |
Black Stone Minerals GP LLC
 Black Stone Minerals GP LLC Investment Trusts/Mutual FundsMiscellaneous Part of Black Stone Minerals LP, Black Stone Minerals GP LLC engages in the acquisitions of mineral and royalty interests. The private company is based in Houston, TX. Thomas L. Carter has been the CEO of the company since 2014.
18
| Subsidiary | Investment Trusts/Mutual Funds | 18 |
Black Stone Natural Resources LLC
 Black Stone Natural Resources LLC Wholesale DistributorsDistribution Services Part of Black Stone Minerals LP, Black Stone Natural Resources LLC is a private company that owns and manages approximately 20 million acres of oil and gas mineral and royalty assets. The company is based in Houston, TX. The company provides an interactive property map to find specific asset information and search mineral rights by state. The management team offers expertise to manage the assets, grow the mineral footprint, and deliver consistent investor value.
16
| Subsidiary | Wholesale Distributors | 16 |
Chart of Companies connected to the second degree
Multi-company connection
Companies connected to John Longmaid via their personal network
| Company | Sector | Related people | Main position |
|---|---|---|---|
Lehman Brothers Holdings, Inc.
 Lehman Brothers Holdings, Inc. Financial ConglomeratesFinance Lehman Brothers Holdings, Inc. engages in the provision of securities underwriting and investment services. The company is headquartered in New York, NY. | Financial Conglomerates | Corporate Officer/Principal | |
Black Stone Minerals Co. LP
 Black Stone Minerals Co. LP Other Metals/MineralsNon-Energy Minerals Black Stone Minerals Co. LP operates as a fee mineral and royalty owner. Its services include leasing minerals to exploration and production companies and acquiring additional gas or oil properties for future leasing and development. The company was founded by Thomas L. Carter Jr. in 1980 and is headquartered in Houston, TX. | Other Metals/Minerals | Director/Board Member Chief Executive Officer Director of Finance/CFO General Counsel Corporate Officer/Principal | |
| COMPASS MINERALS INTERNATIONAL, INC. | Chemicals: Specialty | Investor Relations Contact | |
| W&T OFFSHORE, INC. | Oil & Gas Production | Investor Relations Contact | |
| EAGLE ROCK ENERGY PARTNERS, L.P. | Gas Distributors | Director of Finance/CFO | |
| HIGHLAND COPPER COMPANY INC. | Other Metals/Minerals | Director/Board Member | |
Eagle Rock Energy G&P LLC
 Eagle Rock Energy G&P LLC Investment Trusts/Mutual FundsMiscellaneous Part of Grizzly Energy LLC, Eagle Rock Energy G & P LLC is a private company based in Houston, TX. Scott W. Smith has been the CEO of the company since 2015. | Investment Trusts/Mutual Funds | Director of Finance/CFO | |
Eagle Rock Energy GP LP
 Eagle Rock Energy GP LP Investment Trusts/Mutual FundsMiscellaneous Part of Grizzly Energy LLC, Eagle Rock Energy GP LP is an American company. Scott W. Smith has been the CEO of the private company since 2015. | Investment Trusts/Mutual Funds | Director of Finance/CFO | |
Siluria Technologies, Inc.
 Siluria Technologies, Inc. Chemicals: SpecialtyProcess Industries Siluria Technologies, Inc. develops and manufactures a direct chemical process for plastics and fuels from natural gas. Its second process technology can convert ethylene to liquid fuels such as gasoline, diesel or jet fuel. The firm’s revolutionary catalyst technologies uniquely combine nanomaterials, biotechnology and chemical engineering, to convert an abundant, ubiquitous, and inexpensive feedstock into high value, drop-in fuels and chemicals using processes that can be seamlessly integrated into existing industry infrastructure. The company was founded by Clinton Whitewood Bybee and Alexander Tkachenko in 2007 and is headquartered in San Francisco, CA. | Chemicals: Specialty | Director of Finance/CFO | |
| Dartmouth College | College/University | Undergraduate Degree | |
| Vanderbilt University | College/University | Undergraduate Degree Undergraduate Degree | |
Goldman Sachs & Co. LLC
 Goldman Sachs & Co. LLC Financial ConglomeratesFinance Goldman Sachs & Co. LLC (GS&Co.) is a securities brokerage firm headquartered in New York City. Founded in 1927, the firm is a subsidiary of The Goldman Sachs Group, Inc. (NYSE: GS). GS&Co. provides services to help hedge funds manage risk, monitor portfolios, maintain liquidity and build their businesses. They offer clients access to global equity and derivatives markets, as well as foreign exchange, commodities, European Lefts, rates and credit across the Americas, Europe and Asia. The firm proactively monitors capital markets, searching for pockets of liquidity and news that may require changes to those strategies. Integration with the Goldman Sachs network gives clients access to the firm's sectored block trades and their insights into price discovery. Their electronic trading program provides clients with tools to manage their trades from pre-trade analytics to post-trade analysis. | Financial Conglomerates | Corporate Officer/Principal | |
| Rice University | College/University | Undergraduate Degree Masters Business Admin | |
The American Institute of Certified Public Accountants
 The American Institute of Certified Public Accountants Miscellaneous Commercial ServicesCommercial Services The American Institute of Certified Public Accountants provides vocational education in accounting. The company provides services to the accounting community, regulatory bodies, and other organizations. It also operates in Jersey City, Washington, and Lewisville. It was founded in 1887 and is headquartered in New York City, NY. | Miscellaneous Commercial Services | Corporate Officer/Principal | |
| Baylor University | College/University | Undergraduate Degree | |
| Davidson College | College/University | Director/Board Member | |
| Texas A&M University | College/University | Undergraduate Degree Undergraduate Degree | |
| The University of Texas at Austin | College/University | Masters Business Admin Undergraduate Degree Masters Business Admin Undergraduate Degree Undergraduate Degree Masters Business Admin Undergraduate Degree | |
| Louisiana State University | College/University | Graduate Degree | |
| Texas Tech University | College/University | Chairman Undergraduate Degree | |
| New Mexico State University | College/University | Undergraduate Degree | |
LeFrak Organization, Inc.
 LeFrak Organization, Inc. Real Estate DevelopmentFinance LeFrak Organization, Inc. owns, develops and manages real estate properties. It provides services to residential and office sectors. The company was founded by in 1901 and is headquartered in New York, NY. | Real Estate Development | Corporate Officer/Principal | |
The Lawrenceville School
 The Lawrenceville School Other Consumer ServicesConsumer Services The Lawrenceville School operates as a school. The private company is based in Lawrenceville, NJ and has subsidiaries in the United States. | Other Consumer Services | Director/Board Member Director of Finance/CFO | |
Texas Children's Hospital
 Texas Children's Hospital Hospital/Nursing ManagementHealth Services Texas Children's Hospital provides health care services. Its offers include audiology , dental, dermatology, critical care, nephrology, electrodiagnosis, heart transplant, and kidney transplant. The company was founded in 1950 and is headquartered in Houston, TX. | Hospital/Nursing Management | Chairman Director/Board Member Director/Board Member | |
| Houston Producers Forum | Corporate Officer/Principal | ||
The Texas Medical Center
 The Texas Medical Center Medical/Nursing ServicesHealth Services The Texas Medical Center provides healthcare services. The company was founded in 1900 and is headquartered in Huston, TX. | Medical/Nursing Services | Director/Board Member | |
The Museum of Fine Arts, Houston
 The Museum of Fine Arts, Houston Other Consumer ServicesConsumer Services Museum of Fine Arts of Houston owns and operates Museum. The Museum collection contains around 56,000 artworks, which date from antiquity to the present. The company was established in 1900 and is headquartered in Houston, TX. | Other Consumer Services | Director/Board Member Director/Board Member Director/Board Member | |
Paradigm Services LP
 Paradigm Services LP Other Consumer ServicesConsumer Services Part of Schlumberger NV, Paradigm Services LP provides industrial repair and remanufacturing services. The private company is based in Deer Park, TX. Paradigm Services was acquired by Cameron International Corp., part of Schlumberger NV from April 01, 2016 on April 16, 2007 for $10.96 million. | Other Consumer Services | Director/Board Member | |
Quintana Capital Group
 Quintana Capital Group Investment ManagersFinance Quintana Capital Group (Quintana Capital) is a private equity firm founded in 2005. The firm is headquartered in Houston, Texas. | Investment Managers | General Counsel Investment Committee Member | |
SONAT Exploration Co.
 SONAT Exploration Co. Oil & Gas ProductionEnergy Minerals Part of KeyCorp, SONAT Exploration Co. is a private company that provides petroleum exploration. The company is based in Houston, TX. | Oil & Gas Production | General Counsel | |
The Brown Foundation, Inc.
 The Brown Foundation, Inc. Investment ManagersFinance The Brown Foundation, Inc. is an organization in the field of public education at the primary and secondary levels. The foundation will focus on supporting non-traditional and innovative approaches which are designed to improve public education primarily within the State of Texas. It is headquartered in Houston, Texas. | Investment Managers | Director/Board Member | |
| Episcopal High School | Director/Board Member Director/Board Member | ||
Dewalch Technologies, Inc.
 Dewalch Technologies, Inc. Industrial MachineryProducer Manufacturing Dewalch Technologies, Inc. manufactures utility meters and specialty meter locking hardware for the prevention of theft. The private company is based in Houston, TX. | Industrial Machinery | Director of Finance/CFO | |
| The University of Chicago Booth School of Business | College/University | Masters Business Admin | |
Australis Aquaculture LLC
 Australis Aquaculture LLC Food DistributorsDistribution Services Australis Aquaculture LLC provides sustainable seafood products. It offers fresh seafoods, frozen fillets, pomodoro style barramundi, asian-teriyaki barramundi, and rosemary-parmesan barramundi. The company was founded by Joshua N. Goldman in 2004 and is headquartered in Greenfield, MA. | Food Distributors | Chairman | |
| Harvard Business School | College/University | Masters Business Admin Masters Business Admin Masters Business Admin | |
| Jesse H Jones Graduate School of Business | College/University | Corporate Officer/Principal Masters Business Admin | |
USD Partners GP LLC
 USD Partners GP LLC Financial ConglomeratesFinance Part of U.S. Development Group LLC, USD Partners GP LLC provides investment services. The private company is based in Houston, TX. Daniel K. Borgen has been the CEO of the company since 2014. | Financial Conglomerates | Director/Board Member | |
| Dewalch Holdings LLC | President | ||
| USD PARTNERS LP | Oil & Gas Pipelines | Director/Board Member | |
Quintana Minerals Corp.
 Quintana Minerals Corp. Oil & Gas ProductionEnergy Minerals Quintana Minerals Corp. provides oil and gas exploration services. The company is headquartered in Houston, TX. | Oil & Gas Production | Corporate Officer/Principal |
Statistics
International
| United States | 46 |
| Canada | 2 |
Sectoral
| Consumer Services | 17 |
| Finance | 8 |
| Energy Minerals | 4 |
| Commercial Services | 4 |
| Utilities | 3 |
Operational
| Director/Board Member | 119 |
| Corporate Officer/Principal | 51 |
| Independent Dir/Board Member | 25 |
| Undergraduate Degree | 25 |
| President | 20 |
Most connected contacts
| Insiders | |
|---|---|
| Mike Linn | 40 |
| Carin Barth | 35 |
| William Mathis | 17 |
| Jeff Wood | 13 |
| Robert E. W. Sinclair | 12 |
| William G. Bardel | 12 |
| Thomas Carter | 12 |
| Allison Kendrick Thacker | 11 |
| Jerry Kyle | 10 |
| Alexander Stuart | 10 |
| D. DeWalch | 9 |
| Steve Putman | 9 |
| R. Marc Carroll | 9 |
| William Randall | 8 |
| Carrie Clark | 8 |
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