Drill Pipe
Drill Pipe Inc. is a privately held, family-owned US manufacturer of in-hole drill pipe, tooling, and helical anchors serving water well, geothermal, civil construction, mining, geotechnical, and sonic drilling contractors through direct, quote-based custom manufacturing.
- Company typePrivate
- Founded1960
- HeadquartersWinsted, United States
- Headcount11–50
- GTM typeB2B
- OfferingHardware or Manufacturing
What Drill Pipe does
Drill Pipe Inc. (DPI) is a privately held, family-owned manufacturer of in-hole drilling tools and drill pipe, founded in 1960 in Winsted, Minnesota and currently led by second-generation owner Tom Ronnkvist. The company produces a comprehensive catalog of drill pipes, drill collars, stabilizers, subs, fishing tools, hoisting equipment, overburden casing, sonic drilling tools, reverse circulation tools, ITH/blast hole tooling, diamond coring wire line tools, micro pile casing, and helical anchors — organized across six end-market verticals: water well/geothermal, civil construction, mining, geotechnical/environmental, sonic drilling, and helical anchors.
DPI's manufacturing is built on a vertically integrated in-house process stack anchored by inertia welding, submerged arc welding, CNC precision machining, multi-stage heat treatment (annealing, quench and temper, induction hardening), internal upsetting, and forging from premium alloy steels (4130 Q&T, 4140 Q&T, 4145 Q&T). Thread quality is controlled via DCDMA Certified Gages and API manufacturing standards. The company was the first in the USA to manufacture a complete line of Sonic In-Hole tools (since 1990) and holds a patent on a helical pier design claimed to deliver 7.5x industry-standard load capacity. The 2010 Chilean Mine Rescue drill string, manufactured by DPI, provided a globally recognized proof point of the company's engineering capability.
DPI operates a direct sales model with quote-based pricing on custom-configured products, reaching customers via phone, email, and a basic website. Revenue is generated through one-time sales of build-to-order manufactured goods; no subscription, licensing, or recurring revenue model is disclosed. Pricing is not publicly disclosed, and revenue figures are not reported. The company has no subsidiaries, no institutional funding history, no acquisitions, and no public-facing digital or AI-enabled products.
Drill Pipe firmographics
Firmographics- Name
- Drill Pipe
- Legal name
- Drill Pipe, Inc.
- Website
- https://drillpipeinc.com
- Company type
- Private
- Founded year
- 1960
- Operating status
- Operating
- Headcount range
- 11–50 employees
- Short description
- Drill Pipe Inc. is a privately held, family-owned US manufacturer of in-hole drill pipe, tooling, and helical anchors serving water well, geothermal, civil construction, mining, geotechnical, and sonic drilling contractors through direct, quote-based custom manufacturing.
- Ownership category
- akta.pro rank
Drill Pipe industry classification
Industry- Product category
- Drilling Equipment Manufacturing
- NAICS
- Mining and Oil and Gas Field Machinery Manufacturing (33313), Mining Machinery and Equipment Manufacturing (333131)
- SIC
- Mining Machinery & Equip (No Oil & Gas Field Mach & Equip) (3532), Construction, Mining & Materials Handling Machinery & Equip (3530)
- akta.pro primary industry
- Drill Tools, Bits & Downhole Equipment (IMAHAMAB)
- akta.pro secondary industries
- Rock Drilling & Blasthole Drilling Equipment (IMAHAMAC), Wear Parts & Consumables (GET, Liners, Drill Bits, Grinding Media) (IMAKANAH)
Keywords
Where Drill Pipe is headquartered
LocationHeadquarters
- HQ city
- Winsted
- HQ country
- United States
- HQ region
- North America
Offices1 record
Markets served
Drill Pipe business model
Business model- GTM type
- B2B
- Offering type
- Hardware or Manufacturing
- Cost components
- Personnel, Supply Chain, Operations, Infrastructure, Technology or R&D, Marketing or Sales
Revenue model
- Drill Pipe and Tooling Sales: Drill Pipe Inc. generates revenue through the manufacture and sale of drill pipes, drill collars, stabilizers, subs, fishing tools, hoisting equipment, casing, and other in-hole drilling tools. Products are sold directly to customers across water well, geothermal, mining, civil construction, and geotechnical industries. Manufacturing is done to order with custom specifications including thread profiles, wall thicknesses, and materials.
Go-to-market motion1 record
Distribution channels1 record
Marketing channels1 record
Drill Pipe product offering
Product offeringCore offering
Drill Pipe Inc. manufactures and sells custom-configured in-hole drilling tools—including drill pipe, drill collars, stabilizers, subs, fishing tools, casing, sonic drill pipe, and helical anchors—produced in-house from premium alloy steels (4130 Q&T, 4140 Q&T) using inertia welding, CNC machining, and advanced heat treatment. The company serves drilling contractors, mining operators, construction firms, and geotechnical/environmental drillers across water well, geothermal, civil construction, mining, geotechnical/environmental, and sonic drilling sectors.
Product overview
Drill Pipe Inc. (DPI) is an international manufacturer of quality in-hole drill tools based in Winsted, Minnesota. The company operates as a full-service manufacturing company with over 60 years of experience, leveraging the latest manufacturing technology including CNC machining centers, multiple welding processes (inertia welding, submerged arc welding), heat treatment technology, and computer-assisted design tools. DPI's product portfolio is organized across six industry sectors: Water Well/Geothermal (featuring Drill Pipe, Drill Collars, Stabilizers, Subs, Fishing Tools, Hoisting Equipment, and Overburden Casing); Civil Construction (API Drill Pipe, Percussive Casing, Subs, Rotary Bits, Micro Pile Casing, and Drive Accessories); Mining (ITH Drilling Tools, Blast Hole Tooling, Diamond Coring Wire Line Tools, Reverse Circulation Drill Pipe, and API Rotary Drill Pipe); Geotechnical/Environmental (Drill Pipe, Wire Line Drill Rod, and W/WT Series Flush Joint Casing); Sonic Drilling (Drill Pipe, Sonic Core Barrels, Casing, Core Barrel Bits, Subs, and Drive Flanges); and Helical Anchors. The products share common manufacturing foundations including 4130/4140/4145 Q&T alloy steels, API-standard threads, CNC precision machining, and advanced heat treatment processes, making DPI a comprehensive single-source provider for drilling contractors across multiple industries.
Differentiator
Problem solved
Functional benefit
Products and services
- Drill Pipe Comprehensive drill pipe product lines including API rotary drill pipe (Air Mud Rotary), Sonic drilling pipe, Blast Hole drill pipe, ITH drill pipe, Reverse Circulation drill pipe, and wire line drill pipe manufactured using inertia welding, heat treatment, and CNC machined tool joints.
- Drill Collars
Quantifiable outcome
- Helical anchors have proven load ranges between 60-450 tons per anchor - 7.5 times industry standard for capacity ranges
- +1 more outcomes
Companies that use Drill Pipe
Customer profileSegments6 records
Ideal customer profiles6 records
Drill Pipe technology and API
TechnologyTechnology focussed No
API detail
- Has API
- No
- API docs
- API detail
Core technology
AI maturity
App detail
Feature6 records
Drill Pipe partnerships and signals
Strategic signalScale indicators3 records
Recent moves6 records
Expansion highlights3 records
Drill Pipe competitors and assessment
Company assessmentBroad incumbents
- Vallourec: Global leader in premium seamless OCTG and line pipe, including drill pipe for oil & gas drilling. Comparable in drill pipe manufacturing for upstream E&P but at significantly larger scale and broader product portfolio than DPI.
- Epiroc: Global mining and infrastructure equipment manufacturer offering drill strings, rock drilling tools, and consumables. Overlaps with DPI's mining (ITH, blast hole) and civil construction drill pipe offerings but operates at much larger scale across a full equipment portfolio.
- Tenaris: Major global manufacturer of seamless and welded steel pipe products, including OCTG drill pipe. Comparable drill pipe product category for oil & gas drilling but with substantially broader geographic footprint and product range than DPI.
- Sandvik Mining and Rock Solutions: Division of Sandvik providing drill rods, drill bits, and rock tools for mining and construction. Overlaps with DPI's drill pipe and in-hole tooling product line, particularly in mining and geotechnical applications.
- Boart Longyear: Global drilling services and products OEM with a comprehensive product line including drill rods, casing, core barrels, and bits for mining and geotechnical applications. Broad incumbent with overlapping drill tool products and shared end-markets with DPI.
Direct peers
- Center Rock Inc. Manufacturer of pneumatic and sonic drilling tools, including a complete line of sonic in-hole tools and drill bits. Directly comparable to DPI's sonic drilling product line and overlaps in mining, geotechnical, and water well drilling end-markets.
- Drilling Tools International: Publicly traded drilling tools manufacturer producing drill pipe, tool joints, and downhole drilling tools for the oil & gas, mining, and water well industries. Closely comparable product portfolio (drill pipe, collars, subs, stabilizers) and end-market focus.
- Drill King International: U.S.-based manufacturer of drill pipe, drill collars, and subs for the water well, mining, and exploration drilling industries. Closely comparable specialty drill pipe manufacturer with overlapping product line and end-customers to DPI.
- Varel International Energy: Manufacturer of drill bits and downhole drilling tools for oil & gas, mining, and water well applications. Comparable as a specialty drill tool manufacturer focused on premium bits, with shared end-customers in drilling contractors.
Emerging players
- Halco Drilling International: Manufacturer of drilling tools including DTH hammers, bits, and drill rods for mining, quarrying, and construction. Partial overlap with DPI's mining drilling tooling range and similar mid-sized specialty tooling positioning.
Market position
Strengths5 records
Weaknesses5 records
Competitive moat4 records
Key risks6 records
Key highlights6 records
Customer concentration
Drill Pipe social profiles
Digital presenceDrill Pipe financial estimates
Financial estimateRevenue estimate
Valuation estimate
Drill Pipe leadership team
Management profileNumber of profiles
Profiles1 record
Drill Pipe funding detail
Funding detailFunding overview
Funding rounds
Investors
Funding detail is available on the Subscription and Enterprise plan.Contact sales →
Drill Pipe M&A and investment
M&A and investmentM&A
Investments
M&A and investment is available on the Subscription and Enterprise plan.Contact sales →
Frequently asked questions about Drill Pipe
What does Drill Pipe do?
Drill Pipe Inc. manufactures and sells custom-configured in-hole drilling tools—including drill pipe, drill collars, stabilizers, subs, fishing tools, casing, sonic drill pipe, and helical anchors—produced in-house from premium alloy steels (4130 Q&T, 4140 Q&T) using inertia welding, CNC machining, and advanced heat treatment. The company serves drilling contractors, mining operators, construction firms, and geotechnical/environmental drillers across water well, geothermal, civil construction, mining, geotechnical/environmental, and sonic drilling sectors.
Is Drill Pipe a public or private company?
Drill Pipe is a private company. It is classified as family owned and is currently operating.
When was Drill Pipe founded?
Drill Pipe was founded in 1960. It employs 11 to 50 people.
Where is Drill Pipe based?
Drill Pipe is headquartered in Winsted, United States, in the North America region.
How does Drill Pipe make money?
One revenue line is on record: drill Pipe and Tooling Sales.
Who are Drill Pipe's main competitors?
Broad incumbents on record are Vallourec, Epiroc, Tenaris, Sandvik Mining and Rock Solutions and Boart Longyear. Direct peers are Center Rock Inc., Drilling Tools International, Drill King International and Varel International Energy. Halco Drilling International is listed as an emerging player.
Does Drill Pipe have an API?
No public API is recorded for Drill Pipe.
What industry is Drill Pipe in?
Drill Pipe's product category is Drilling Equipment Manufacturing. Its primary akta.pro industry code is IMAHAMAB, Drill Tools, Bits & Downhole Equipment, with a secondary code of IMAHAMAC, Rock Drilling & Blasthole Drilling Equipment. Its NAICS code is 33313 and its SIC code is 3532.