| Sacred Heart Roman Catholic Congregation, Incorporated | Other Services (except Public Administration) | $768,500 | $774,269 | 123 | N/A | Research |
| Svj Markets, Inc. | Retail Trade | $752,200 | $759,310 | 135 | $33.7M | Research |
| Back River Pre-Cast, Llc. | Manufacturing | $272,700 | $274,650 | 26 | $25.8M | Research |
| Scientific Insect Pest Control LLC | Administrative and Support and Waste Management | $252,367 | $0 | 26 | $5.6M | Research |
| Carroll Masonry LLC | Construction | $252,360 | $254,428 | 24 | <$5M | Research |
| Glb Cleaners, LLC | Other Services (except Public Administration) | $216,313 | $210,178 | 25 | <$5M | Research |
| Glyndon Laundry Inc. | Other Services (except Public Administration) | $204,768 | $207,130 | 24 | <$5M | Research |
| Glyndon Square Investments LLC | Accommodation and Food Services | $182,000 | $183,997 | 57 | $10.1M | Research |
| Glyndon Square Investments LLC | Accommodation and Food Services | $169,014 | $169,873 | 30 | $9.4M | Research |
| Concrete Construction Services LLC | Construction | $165,181 | $166,402 | 20 | <$5M | Research |
| Larry E Knight INC | Manufacturing | $131,782 | $132,800 | 14 | $13.9M | Research |
| Easy Movers, Inc. | Transportation and Warehousing | $118,032 | $118,963 | 14 | <$5M | Research |
| Northwest Dental Associates PA | Health Care and Social Assistance | $103,507 | $104,832 | 11 | <$5M | Research |
| Northwest Dental Associates PA | Health Care and Social Assistance | $103,500 | $104,547 | 13 | <$5M | Research |
| Headlines of Glyndon, Inc. | Other Services (except Public Administration) | $92,300 | $93,000 | 17 | <$5M | Research |
| Jay C. Toth, D.d.s., P.a. | Health Care and Social Assistance | $82,369 | $83,035 | 8 | <$5M | Research |
| Wroe Electronic Repairs, Inc. | Other Services (except Public Administration) | $79,164 | $79,830 | 5 | <$5M | Research |
| Illiano's J&p - Glyndon, Inc. | Accommodation and Food Services | $75,487 | $76,383 | 55 | $9.8M | Research |
| Insight Networking Technologies INC | Information | $74,900 | $75,599 | 5 | <$5M | Research |
| Wroe Electronic Repairs | Wholesale Trade | $72,960 | $73,384 | 5 | <$5M | Research |
| Headlines of Glyndon, Inc. | Other Services (except Public Administration) | $68,471 | $68,733 | 13 | <$5M | Research |
| Believe Big INC | Other Services (except Public Administration) | $62,230 | $62,750 | 9 | N/A | Research |
| Gettier-Montanye Inc. | Manufacturing | $58,082 | $58,411 | 6 | $6.0M | Research |
| Believe Big INC | Health Care and Social Assistance | $57,607 | $57,932 | 9 | N/A | Research |
| Padmja LLC | Accommodation and Food Services | $51,289 | $51,768 | 5 | <$5M | Research |