BNA (http://web.bna.com/; 1-800-372-1033; comprehensive, subject specific newsletters and daily updates including BNA's Money and Politics Report with lobbyist registrations)
Capitol Advantage (http://www.capitoladvantage.com/; 703-289-4670; legislative info tailored for advocacy & media groups)
Congressional Information Service, Inc. (CIS) document offprints (now LexisNexis Academic & Library Solutions; 800-638-8380, Fax: 301-657-3203 - for fee you can obtain full text in paper of MF of selected congressional documents, but must have CIS doc. number. CIS is now called LexisNexis Academic and Library Solutions)
Congressional Observer Publications (http://www.proaxis.com/cop/; 541-745-7110; complete congressional & state vote information)
CQ.com (http://www.cq.com/; 1-800-432-2250; Coingressional Quarterly's large legislative database with info back to 1985; including CQ Transcripts)
C-SPAN Archives - Shop (http://www.c-spanarchives.org/shop/; 1-877-662-7726; since 1987 recorded floor & hearing tapes available for sale)
Dialog.com (http://www.dialog.com/; 1-800-334-2564 - Fed. Register, FNS transcripts, PAIS, etc.)
Federal Document Clearing House (http://www.fdch.com/; now called Moringside Partners, 202-547-4779; with congressional hearing transcripts & statements now owned by CQ.com)
Federal News Service (http://www.fnsg.com/; 1-800-211-4020; hearing statements & selected transcripts)
FedNet (http://www.fednet.net/; 202-393-7300; live and audio recordings of cong. & reg. hearings & floor debates)
GalleryWatch.com (http://www.gallerywatch.com/; 202-546-9770; large legislative database for Federal govn't & state of Texas)
Hearings.com (National Narrowcast Network; http://www.hearings.com/; no longer operational)
HeinOnLine (http://www.heinonline.org/; 1-800-828-7571; Digitized old Federal Registers, 1936-2007 now available, Weekly Compilations of Presidential Documents, others; digitized legislative histories in beta)
Leadership Directories (http://www.leadershipdirectories.com/; 212-632-4141; Cong., Federal & State Yellow Books)
LexisNexis (http://www.lexisnexis.com/; 1-800-543-6862; huge database with a host of legislative material)
National Journal Group (http://www.nationaljournal.com/; 202-739-8400 - news, markup reports)
Netscan iPublishing (http://www.netscan.com/; 703-536-0600 - State full text legislative & regulatory tracking)
Penny Hill Press http://www.pennyhill.com/ (abstracts of CRS reports and briefs; monthly updates; ordering copies)
Political Resources On-Line (http://www.politicalresources.com/; 1-800-423-2677; candidate & political consultant info)
Potomac Publishing Company (http://www.potomacpub.com/; 301-405-8510 - U.S. Statutes At Large 1789 to present)
Roll Call (http://www.rollcall.com/ (news on Congress, politics)
State Net (http://www.statenet.com/; 1-916-444-0840; State & Federal legislative & regulatory tracking)
Votenet Solutions (http://www.votenet.com/; congressional & state campaign software products)
Westlaw.com (http://www.westlaw.com/; 1-800-937-8529; huge database with a host of legislative material)