EXHIBIT 21.1 SUBSIDIARIES OF PINNACLE GLOBAL GROUP, INC. STATE OF SUBSIDIARY ORGANIZATION TRADE NAME - ---------- ------------ ---------- TEI, Inc............................................. Texas Tanknology Environmental Services, Inc. ............. Delaware TES, Inc. Tanknology/Engineered Systems, Inc................... Delaware Engineered Systems, Inc. Tanknology Worldwide, Inc............................ Delaware TW, Inc. Energy Recovery Resources, Inc. ..................... Delaware James Waste Oil Service Sanders Morris Harris Inc............................ Texas Sanders Morris Harris PGG Capital, Inc. ................................... Texas Pinnacle Management & Trust Company ................. Texas Pinnacle Management & Trust Spires G.P. Combination Corp......................... Texas Spires Financial G.P., Inc. ......................... Texas Spires L.P. Combination Corp......................... Texas Spires Financial Partners, Inc....................... Delaware Spires Financial Funding, L.P. ...................... Delaware Spires Financial, L.P. .............................. Delaware Cummer/Moyers Capital Advisors, Inc.................. Texas