Untuk meningkatkan pelayanan kepada pelanggan, PT TRIGUNA KARYANUSA memiliki program pelayanan kepada costumer yaitu: Pengadaan new unit Sumitomo Forklift, suku cadang Sumitomo Forklift, on call Sumitomo Forklift, maintenance contract Sumitomo Forklift, full maintenan contract Sumitomo Forklift, repair minor Sumitomo Forklift, repair major Sumitomo Forklift, top ovehaul Sumitomo Forklift, general overhaul Sumitomo Forklift, reconditioned serta Rental Sumitomo Forklift.
Pulau Sumatra (Banda Aceh, Langsa, Lhokseumawe, Meulaboh, Sabang, Subulussalam, Padang, Medan, Tebing Tinggi, Padang Sidempuan, Padang Panjang, Pematang Siantar, Tanjung Balai, Solok, Bukit Tinggi, Lubuk Linggau, Pagar Alam, Gunung Sitoli, Tanjung Balai, Sibolga, Bangka Belitung, Batam, Pangkal Pinang, Bengkulu, Pekanbaru, Dumai, Riau, Prabumulih, Jambi, Palembang, Bandar Lampung).
Pulau Jawa (Banten, Cilegon, Serang, Pandeglang, Rangkasbitung, Tangerang, Jakarta, Bekasi, Kawasan MM2100 Cibitung, Kawasan Industri Jababeka Cikarang, Kawasan Loppo Cikarang, Kawasan KIIC Karawang, Kawasan Suryacipta Karawang, Kawasan Bukit Indah City Cikampek, Purwakarta, Sumedang, Bogor, Depok, Cimahi, Banjarnagara, Bandung, Cianjur, Sukabumi, Tasikmalaya, Ciamis, Indramayu, Cirebon, Magelang, Solo, Purwodadi, Pekalongan, Purwokerto, Bojonegoro, Salatiga, Surakarta, Bantul, Belitar, Semarang, Jogjakarta, Surabaya, Kediri, Madiun, Malang, Mojokerto, Sidoarjo, Pasuruan).
Pulau Madura (Bangkalan, Sumenep, Sampang, Pamekasan, Bali, Denpasar).
Pulau Kalimantan (Bengkayang, Kapuas Ulu, Kayong Utara, Ketapang, Kubu Raya, Landak, Melawi, Mempawah, Sambas, Sanggau, Sekadau, Sintang, Pontianak, Singkawang, Balangan, Banjar, Barito Kuala, Hulu Sungai Selatan, Hulu Sungai Tengah, Hulu Sungai Utara, Kota Baru, Tabalong, Tanah Bumbu, Tanah Laut, Tapin, Banjar Baru, Banjarmasin, Barito Selatan, Barito Timur, Barito Utara, Gunung Mas, Kapuas, Katingan, Kota Waringin Barat, Kota Waringin Timur, Lamandau, Murung Raya, Pulau Pisau, Sukamara, Seruyan, Palangkaraya, Berau, Kutai Barat, Kutai Kertanegara, Kutai Timur, Mahakam Ulu, Paser, Penajam Paser Utara, Balikpapan, Bontang, Samarinda, Bulungan, Malinau, Nunukan, Tana Tidung, Tarakan).
Pulau Sulawesi (Makassar, Manado, Kendari, Palu, Gorontalo, Bitung, Palopo, Baubau, Parepare, Kota Mobagu).
Pulau Maluku (Namlea, Namrole, Dobo, Tiakur, Masohi, Langgur, Saumlaki, Piru, Bula, Ambon Tual, Ternate, Tidore, Bima, Mataram, Kupang).
Pulau Papua (Agats, Biak, Tanah Merah, Tigi, Kigamani, Sugapa, Sentani, Wamena, Waris, Serui, Tiom, Burmeso, Kobakma, Kepi, Merauke, Timika, Nabire, Kenyam, Enarotali, Oksibil, Ilaga, Kota Mulia, Sarmi, Sorendiweri, Kurubaga, Botawa, Sumohai, Elelim, Sorong, Jayapura).
Engine Group (Cylinder head, Bushing Valve, Seat valve, Chember, Gasket kit head, Liner Cylinder, Piston assy, Ringset piston, Bearing conecting rod/ metal jalan, Bearing crangshaft/ Metal duduk, Washer thrust/metal bulan, Conecting rod/stang piston, Crankshaft/ As kruk, Vale intake, Valve Exhaust, Oil Filter, Fuel Filter, Aircleaner, Filter Hydraulic, Nozzle, Injection, Spare plug, Glow plug, Oil pump dll).
Clutch group (Master Cylinder assy, Master release assy, Cove clutch/matahari, Disc clutch/pelat coupling, Bearing release.)
Manual Transmission group (Gasket kit transmission, Gear Forward, Gear reverse, shinchonize, Yoke, Spider set, Propeller, Wire.)
Automatic Transmision group (Gasket kit transmission, Disc clutch, Plate, Ring seal, control valve, torque converter.)
Differential group/ Gardan (Pinion Ring gear, planetari gear, shaft, Wheel/pelg, Solid tire/ban mati, Penumatic tire/ban hidup).
Brake group (Wheel cylinder, Shoe lining/kanvas rem, Wire Rh dan Lh, Master brake, Kit wheel cylinder, kit master brake),
Rear axle group (Kit kingpin, kit bellcrank, pin knucle, pin bellcrank, pin tierod, Kit cylinder steering)
Mast group (Roller bearing, Fork/garpu, forkshoe/sepatu garpu/extention, Chain/rante, Hose hydraulic, Kit lift cylinder, Kit tilt cylinder).
Acceories/ Electrical group (Head lamp, Front lamp, Rear Lamp, Switch lamp, Relay, Cotactor, Motor drive, Motor hydraulic, Sensor steering, Tire angle sensor, CPU board, Mpu Board, Controller, Transistor, Diode, Rotary lamp, Battery forklift, Motor starter, Dinamo Amphere).