0001000096-06-000139 10KSB 8 20051231 20060330 20060330 ADA-ES INC 0001223112 2890 841457335 CO 1231 10KSB 34 000-50216 06722490 8100 SOUTHPARK WAY B LITTLETON CO 80120 10KSB 1 adaes12312005.txt FORM 10-KSB (12-31-2005) EX-4.3 2 ada4-3.txt REGISTRATION RIGHTS EX-10.2 3 adaexh102.txt 2003 STOCK OPTION PLAN EX-10.29 4 ada10-29.txt 2005 DIRECTORS' COMPENSATION PLAN EX-23.1 5 ada12312005exh231.txt CONSENTS OF EXPERTS AND COUNSEL EX-31.1 6 adaexhibit311ceo.txt RULE 13A-14(A)/15D-14(A) CERTIFICATIONS EX-31.2 7 adaexhibit312cfo.txt RULE 13A-14(A)/15D-14(A) CERTIFICATIONS EX-32.1 8 adaexhibit321ceo.txt SECTION 1350 CERTIFICATIONS