Isuzu Motors – Japanese commercial vehicles and diesel engine manufacturing company headquartered in Tokyo. Its principal activity is the production, marketing and sale of Isuzu commercial vehicles and diesel engines.
King Long – bus manufacturing company in Xiamen, Fujian province, People's Republic of China
MAN Truck & Bus – the largest subsidiary of the MAN SE corporation and one of the leading international providers of commercial vehicles
Mercedes-Benz buses – has been making buses since 1895 in Mannheim in Germany. Since 1995, the brand of Mercedes-Benz buses and coaches is under the umbrella of EvoBus GmbH, belonging 100% to the Daimler AG.
UD Trucks – previously known as Nissan Diesel, its principal business is the manufacture and sales of light, medium and heavy duty diesel trucks, buses, bus chassis and special-purpose vehicles
Volvo Buses – the world's largest bus manufacturer, with a complete range of heavy buses for passenger transportation
Zhengzhou Yutong Bus – conglomerate based in Zhengzhou, Henan province, China focused on bus manufacturing as the core business, construction machinery and real estate as the strategic business and at the same time giving attention to other investment portfolios
Dionets Liner- plying Trece Martires City, Imus City, Dasmariñas City, Bacoor City, and General Trias in Cavite; Coastal Mall (Parañaque City) and Pasay City in Metro Manila.
Dominion Bus Lines – formerly Times Transit, but a strike put it out of business until a company bought its remains from owner Santiago Rondaris and started a new company
Don Aldrin- plying Trece Martires City, Imus City, Dasmariñas City, Bacoor City, General Mariano Alvarez, Carmona and General Trias in Cavite; Coastal Mall (Parañaque City), Pasay City and Ayala (Makati City) in Metro Manila.
Eaglestar Transit Corp. operated by Gold Star Bus Company.
Lorna Express (owned & operated by Angeles D. Bayot)
Lucena Lines operated by JAC Liner Inc. – plying Lucena City, Sariaya, Candelaria and Tiaong in Quezon; San Pablo City, Alaminos, and Turbina (Calamba City) in Laguna; Alabang (Muntinlupa City), Buendia (Pasay City) and Cubao (Quezon City) in Metro Manila.
Pantranco South Express Inc. – ALATCO's Name Before Philtranco, Pantranco S.E.Inc. Once a major bus company in Southern Luzon Visayas & Mindanao until it change it name into Philtranco Service Enterprises Inc.
Philtranco –The Oldest Bus Company In Asia and in the Philippines, It started in 1914, its former company name is Albert Louis Ammen Transportation Company (ALATCO)
PP Bus Lines – the Second Bus Company to Enter Davao City, and is one of the Most Accident prone Bus in Visayas & Mindanao route
Quesmart transport Inc.
Raymond Transportation Inc.
RCJ Lines – an offshoot of the successful RCJ Trucking corporation
RCJ Trans – a sister company of RCJ Lines
Richford Bus Lines – a bus company formerly operated by Bocolan Liner Inc., now operated by Saint Anthony of Padua, plying from Ternate, Cavite – Lawton (Manila).
RRCG Transport – plying Batangas - Alabang/Buendia operated by Southern Carrier
RSL Bus Transport Corporation
Saint Rose Transit (a sister company of Giombacion Transit and GPS Transport)
Inocencio Aniceto Transportation – also known as St. Joseph. It is one of the most dominant bus companies in the 1970s and 1980s until it went bankrupt; however, it is recovering and is now maintaining its old route.
SJT (San Jose Transit)
SMTSCI (Santa Maria Transport Service Cooperative Inc)
Solid North (Pangasinan Solid North Transit, Inc.) – Operated By JAC Liner Inc. - (formerly D.R.De Leon Express)
Southern City Lines
South Star Express
Southern Carrier Co. Inc. operated by RRCG Transport
A majority of these companies operate through several roads and highways, the most common of which being EDSA, Taft Avenue, Ayala Avenue, Commonwealth Avenue, Quezon Avenue, and Alabang-Zapote Road. Many of these buses also operate along both NLEx and SLEx, along with some operating via Skyway, and the rest are via Coastal Road.
A-7 Tours and Transport
AC Trans – Owned By Alberto Carating. Operates between Malanday in Valenzuela City and Baclaran in Parañaque City via Ayala. and Malanday –NAIA via EDSA
Admiral Transport Inc.
Alabang Transport Service Coop. (Alabang TSC) (ATSC)
Armi Josh (formerly Aicer Trans)
Alabang Metro Link
Arabia Boy Express – a bus company that is operated by Irene Alejandro, plying Alabang (Las Piñas), Plaza Lawton (Manila) and also, plying from Baclaran to SM Fairview via EDSA Ayala ) under Darla Andrea
Apex Commuter Transport
Baclaran Metro Link -Red Livery is Operated By: German Espiritu Liner Inc.
Bagong Buhay Transport Service Corp. (BBTSC) - sister company of Santrans
BBL Trans./Balibago Bus Line
BCB Transport Inc.
Bensan Trans – owned by Tas Trans Group of Companies, plying from Alabang/Pilar(Muntinlupa/Las Piñas) – Lawton/Santa Cruz(Manila)
BOVJEN – operated By Alberto Carating, also a sister company of A.C. Trans
Buslink Transport Inc.
CEM Trans. Services Inc. – formerly part of the Joanna Jesh Group, it was named after the founder of Joanna Jesh Transport and Nicholas Albert Transport, Crisinciano E. Mahilac, which was founded in 2007.
Fermina Express – plying Baclaran - Fairview via EDSA, Ayala, and Lagro and NAIA – Lagro via EDSA
Fran-Vill (formerly FVTI) – sister company of Vil 5000 Inc.
Francheska Mae Grajiel Transport (former FG Trans)
Funride Transport (formerly WLH Trans/WLLH Liner/Maggi Liner) – known for operating King Long XMQ6119T, Nissan Diesel EXFOH buses & Higer buses, it operates in SM Fairview to – SM Southmall (Las Piñas) via Quezon Ave., Plaza Lawton (Manila) and – SM Southmall (Las Piñas City) – Plaza Lawton (Manila)via Coastal Rd..
G Liner – owned by the De Guia family. It operates routes from Taytay - Quiapo via Cainta, Manila, East Road, Ortigas Avenue, Magsaysay Blvd. and Cainta - Quiapo via Ortigas Ave., Magsaysay Blvd.
Maluto Transport and Travel - (also known as Igan The Friendly Bus) - plying Alabang (South Station) - Plaza Lawton via Las Pinas and Coastal Road
Mangie Transport – sister company of Precious Grace Transport
Marikina Auto Line Transport Corporation (MALTC) – One of the oldest bus company in the Philippines. Plying (Montalban – Baclaran via EDSA, Ayala, Aurora Blvd.), ( San Mateo – Baclaran via EDSA, Ayala, Commonwealth Ave., Batasan Road.), and ( Navotas – Baclaran via EDSA, Ayala ).
Marlea Transport – undermanaged by Jayross Lucky Seven Tours
Metro Manila Transit Corp. (MMTC) – the first bus company owned by the Philippine government under the Marcos regime, established in 1981 during the Iran–Iraq War but the operation was crippled by the EDSA People Power Revolution in 1986, and later became bankrupt in 1995. On the defunct MMTC shattered into four bus companies – United Workers Transport Corp. (Went bankrupt in 2009), DCOMMP (Drivers, Conductors, Mechanics Multipurpose) Transport Service Cooperative, Filcomtrans (went bankrupt in 1999), and Fastrans (went bankrupt in 2007).
Metro Manila Bus Co. (MMBC) – owned by JAC Liner Inc., it plys the Baclaran–SM Fairview route. It is thought to be the successor to the original Metrobus in the late 1980s to the 1990s.
Precious Grace Transport operated by Cher transport
Princess Youhan And Chrisa Transport
PVP Liner – Started operations in 1984 by the late Panfilo V. Pajarillo, which the bus company was named after. It was dubbed as the "Morning Star" before changing into "Rising Star" with its air–conditioned units in 1995, and it currently operates the Asturias (Lawton, Santa Cruz) to Ayala route via Taft Avenue, Buendia, and Ayala Avenue. The company also operated the FTI to Navotas Terminal route via EDSA, but it was sold to CHER Transport in 2006 and now operating under the name of NAFTI Transport.