Getting ready to prepare my list of accredited travel agencies in the Philippines for our upcoming petiksmode travel website and It’s hard to get a list even in DOT website, I only got region III, Here they are:
You can see the  list of philippine travel and tour agencies  here

3 Sisters Travel & Tours (Main)
Location Baliuag, Bulacan
Address Lot 2 Blk 17,
Acacia St., Primavera Homes,
Baliuag, Bulacan
Description Ticketing,
visa assistance, documentation,
passport assistance, tour packages
Accredited TRAVEL AGENCY
[Acc No. III-TTA-19-2009 dated July 28, 2009]
Phone (63 44) 761-0318 / 673-8264 / 1657
Fax (63 44) 766-7798 / 795-2157
Contact Josephine Jimenez
Email tresmariasvia@yahoo.com.ph
Website www.3sisterstravelandtours.webs.com

78th Journey Travel Agency
Location Angeles City
Address MacArthur Hwy., Telabastagan, City of San Fernando, Pampanga
Description Travel and tours
Accreditation TRAVEL AGENCY [Acc. No. III-TTA-03-09 dated April 16, 2009]
Phone (63 45) 636-6312 / 636-6472
Fax (63 45) 636-6312
Contact Irish Calaguas
Email journey78thtravel@yahoo.com.ph

A.C. Romulo Travel & Tours
Location Plaridel, Bulacan
Address 711 Morante Bldg. II, Banga 1st, Plaridel, Bulacan
Description Domestic and international ticketing, domestic tour packages, passport assistance
Accreditation TRAVEL AGENCY [Acc. No. III-TTA-05-2009 dated April 22, 2009]
Phone (63 44) 670-2373 / 2763
Fax (63 44) 670-2763
Contact Anamarie C. Romulo
Email acromulo_2004@yahoo.com

Action Travel, Inc.
Location Angeles City
Address Stall 44 Bayahan Park, Fields Ave., Balibago, Angeles City
Description Travel and tours, visa assistance, passport, tour packages
Accreditation TRAVEL AGENCY [Acc. No. III-TTA-09-2009 dated May 18, 2009]
Phone (63 45) 892-5407
Fax (63 45) 625-6357
Contact Shylle Echipare
Email action_travel@hotmail.com or actiontravelac@yahoo.com
Website www.actiontravelac.com

If you have the full list you can send them to me at admin@petiksmode.com
I will update this post as well once I have a new list of travel agencies in the philippines