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Big Bore Drilling offers comprehensive septic, drilling, and hydro‑vacuum services across Fresno and Madera counties. Their portfolio includes septic tank pumping, system construction, large‑diameter vertical boring, hydro‑excavation, and non‑potable water truck delivery. Established in 1959, the family‑run firm holds C‑42 and Class A engineering licenses and serves residential, commercial, and municipal clients.
