David Glendon

The Monitor Group, Inc. provides wealth management services. Its services include wealth protection, wealth transfer, estate planning, investment management, tax planning, and reporting. The firm offers services to the small and medium enterprises, trusts, and other commercial organizations. The company is headquartered in McLean, VA.

Sprague Operating Resources LLC generates and distributes oil and natural gas. Its products include diesel, gasoline, home heating oil, and residual fuels. The firm also offers differentiated products and services including value-added customer support and online tools. The company was founded by Charles Hill Sprague in 1870 and is headquartered in Portsmouth, NH.

The British company was founded by David C. Glendon. Monitor Audio Ltd. is a private group led by its own management.

Sprague Resources LP engages in the purchase, storage, distribution and sale of refined products and natural gas. It operates through the following segments: Refined Products, Natural Gas, Materials Handling, and Other Operations. The Refined Products segment offers refined products, such as heating oil, diesel, residual fuel oil, kerosene, jet fuel and gasoline. The Natural Gas segment purchases, sells and distributes natural gas. The Materials Handling segment stores various customer owned products, which includes asphalt, clay slurry, salt, gypsum, coal, petroleum coke, caustic soda, tallow, pulp and heavy equipment. The Other Operations segment includes the marketing and distribution of coal conducted in Portland, Maine terminal, commercial trucking activity conducted by Canadian subsidiary and heating equipment service business. The company was founded by Charles Hill Sprague in 1870 and is headquartered in Portsmouth, NH.

Part of Hartree Partners LP, Sprague Resources GP LLC engages in the purchase, storage, and distribution of refined products and natural gas. The private company is based in Portsmouth, NH. Sprague Resources GP was acquired by Hartree Partners LP from Sprague Resources Holdings LLC on May 28, 2021.