| Business | Phone |
| Sterling Foundation Mgmt Llc 3132 Lexington Ridge Dr, Lexington 2421 | (781) 676-0770 |
| Nantahala Capital Management 809 Massachusetts Ave, Lexington 2420 | (781) 652-0017 |
| Reit Management & Research Inc 4 Maguire Rd, Lexington 2421 | (781) 274-8057 |