Name

Soil Plus

Legal name

Big Island Hauling, Inc.

Website

https://soilpluskona.com

Company type

Private

Founded year

1989

Operating status

Operating

Headcount range

1–10 employees

Ownership category

akta.pro rank

Product category

Landscaping Materials Supply

NAICS

Fertilizer and Compost Manufacturing (32531), Compost Manufacturing (325315), Nursery, Garden Center, and Farm Supply Retailers (44424)

SIC

Retail-Building Materials, Hardware, Garden Supply (5200)

akta.pro primary industry

Compost & Soil Amendment Product Manufacturing/Blending (Value-Added Organics) (BPALAEAH)

akta.pro secondary industries

Soil Amendments & Conditioners (Lime/Gypsum/Humates) (IMAEAEAH), Yard Waste, Land Clearing & Green Waste Processing (Mulch/Compost Feedstock) (BPALAEAG)

Keywords

• Bulk landscaping materials
• Custom soil blends
• Volcanic cinder supply
• Macadamia nut compost
• Aggregate delivery services

Headquarters

HQ city

Kailua Kona

HQ country

United States

HQ region

North America

Offices2 records

Markets served

GTM type

B2B and B2C

Offering type

Services

Cost components

Supply Chain, Personnel, Operations, Marketing or Sales, Infrastructure

Revenue model

1. Bulk Materials Sales: One-time sales of soil, compost, cinder, gravel, and aggregates sold by cubic yard or bag. Products include custom soil blends, volcanic cinder in multiple colors/sizes, landscape rock, drain rock, base course, sand, and macadamia nut husk products.

Pricing tiers

Go-to-market motion1 record

Distribution channels4 records

Marketing channels7 records

Core offering

Soil Plus supplies and delivers bulk landscaping materials across Hawaii Island from a yard in Kailua-Kona. Its product line includes custom-blended soil mixes (CTH, 1/3rd Mix, Big Island Dirt), aged macadamia nut husk compost and mulch, volcanic cinder in multiple colors and sizes, decorative aggregate mixes, drainage and base course rock, and construction materials such as mortar sand and cement mix. Materials are sold by the cubic yard for yard pickup or delivered to job sites island-wide.

Product overview

Soil Plus is a landscaping materials supplier serving Hawaii Island since 1989, offering a comprehensive portfolio of soil blends, aggregates, and organic amendments. The core product lines include: (1) Soil Blends: CTH (Cinder-Topsoil-Husk), 1/3rd Mix, and Big Island Dirt - custom blended soils incorporating local topsoil and macadamia nut husk compost; (2) Volcanic Cinder: red, dark/black, and mixed varieties in various sizes for decorative landscaping; (3) Gravel & Aggregates: including landscape rock, drain rock, base course, chips/pebble gravel, and specialty mixes like Crater Crush and Kona Muscle Mix; (4) Organic Products: macadamia nut husk compost and milled husks for soil conditioning and mulching; (5) Construction Materials: mortar sand, cement mix, construction sands, and fill material. The company operates as a physical retail and delivery operation with yard pickup and island-wide delivery services, recycling over 10,000 cubic yards of macadamia nut waste annually into compost products.

Differentiator

Problem solved

Functional benefit

Products and services

• CTH Soil Blend The company's most popular soil blend combining topsoil, red cinder soil, and screened composted macadamia nut husks. Recommended for growing grass, palm trees, and general gardening in Hawaii's tropical and volcanic soil conditions. Sold to homeowners, landscapers, contractors, and resorts.
• 1/3rd Mix A custom blend of topsoil, dark cinder soil, and screened composted macadamia nut husks with a pH-balanced formulation. Ideal for growing fruits, vegetables, coffee, and fruit trees. Sold to homeowners, farmers, and landscapers on Hawaii Island.
• Big Island Dirt A blend of topsoil and composted macadamia nut husks without volcanic cinder. Formerly known as Cinderless Blend. Ideal for growing root vegetables such as carrots, potatoes, and taro, and suitable as a base for creating custom soil blends. Sold to homeowners and farmers.
• Compost Aged macadamia nut husk compost used for top dressing soil beds, spreading over lawns, or mixing into custom soil blends. Improves water holding capacity and adds carbon, potassium, and nitrogen to soil. Sold to homeowners, landscapers, and farmers on Hawaii Island.
• Milled Macadamia Husks Shredded macadamia nut husks used as mulch or ground cover. Helps regulate soil temperature, retain moisture, suppress weed growth, and increases potassium levels. Sold to homeowners and landscapers on Hawaii Island.
• 3/4" Red Cinder Clean red landscaping cinder used as decorative ground cover. Colors vary from orange-copper to deep maroon depending on quarry layers. Sold to homeowners, landscapers, and resorts on Hawaii Island.
• 1.5" Red Cinder Large clean red cinder with warm red base and deep black cinder tones. Used for mulch replacement, pathways, and decorative borders with excellent drainage and weed control. Sold to homeowners, landscapers, and resorts on Hawaii Island.
• 3/4" Dark Cinder Clean dark/black landscaping cinder used as decorative ground cover. Currently in limited supply due to island depletion of black cinder sources. Sold to homeowners, landscapers, and resorts on Hawaii Island.
• 3/8" Chips (Pea Gravel) Small, rounded gravel commonly used in pathways, garden beds, and drainage applications. Provides excellent traction and allows water to drain through easily. Sold to homeowners, landscapers, and contractors on Hawaii Island.
• #3 Landscape Rock Clean, angular 3/4" gravel ideal for decorative landscaping, walkways, and drainage solutions. Made from 100% crushed blue rock. Sold to homeowners, landscapers, and contractors on Hawaii Island.
• 1.5" Drain Rock Larger rock used for French drains, septic systems, and erosion control projects. Excellent for heavy-duty drainage applications. Sold to contractors and homeowners on Hawaii Island.
• 2.5" Drain Rock Extra-large rock ideal for heavy-duty drainage systems or slope stabilization. Provides maximum stability and permeability for large-scale landscape drainage. Sold to contractors on Hawaii Island.
• 3/4" Base Course A compactable blend of gravel and fines, perfect for driveways, walkways, and sub-base for concrete. Most common size used for finished surfaces. Sold to contractors and homeowners on Hawaii Island.
• 2.5" Base Course Coarser aggregate than 3/4" base course, used for heavy traffic areas or steep driveway stabilization. Contains rocks up to 2.5" with fines for deep structural support. Sold to contractors on Hawaii Island.
• Mortar Sand Extra fine sand used to create stucco or mortar. Suitable for tiling, brick laying, or spraying stucco. Sold to contractors on Hawaii Island.
• Cement Mix A blend of sand and gravel used as an additive when mixing cement to help strengthen and solidify the concrete mixture. Sold to contractors on Hawaii Island.
• Soil Plus #4 Sand Medium-grade construction sand suitable for construction, trench backfilling, and general site work. Sold to contractors on Hawaii Island.
• WHC #4 Sand A whiter-drying construction sand often chosen for rock walls and finish work where color consistency matters. Sold to contractors on Hawaii Island.
• Fill Material A mix of gravel, soil, and cinder products ranging from 12 inches down to fine sand. Used mainly as backfill. Not recommended for building foundations due to cinder content. Sold to contractors and homeowners on Hawaii Island.
• 3/4" Crater Crush Versatile landscaping material combining blue rock gravel with mixed-color cinder. Creates visually appealing aggregate for pathways, driveways, and decorative ground cover with efficient drainage. Launched in November 2025. Sold to homeowners, landscapers, and resorts.
• 1.5" Kona Muscle Mix Heavy hitter aggregate mix consisting of varying colors of cinder and blue rock gravel. Larger 1.5" pieces create bold texture and color for dramatic landscape design applications. Launched in November 2025. Sold to homeowners, landscapers, and resorts.
• Cinder Mixes Available in medium (3/4" to 2") and large (2" to 4") sizes, containing mixed red and black cinder for varied landscape design applications. Sold to homeowners, landscapers, and resorts on Hawaii Island.
• Large Cinder Boulders Giant cinder boulders delivered on pallet. Available for customer pickup only; delivery not available for this product. Sold to homeowners, landscapers, and resorts on Hawaii Island.
• Island-Wide Bulk Delivery Service Delivery of bulk landscaping materials to almost every corner of Hawai'i Island, Monday through Friday, with a minimum order of 1 cubic yard. Small trucks carry 6 cubic yards and large trucks carry 15-30 cubic yards depending on trailer. Service area includes Kailua-Kona, Hilo, Waimea, Waikoloa, Captain Cook, Holualoa, Kohala, Puna, Keaau, Ocean View, and Naalehu. Sold to homeowners, contractors, landscapers, and resorts.

Quantifiable outcome

• Recycles over 10,000 cubic yards of macadamia nut husks annually

Named customers5 records

Segments4 records

Ideal customer profiles4 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature2 records

Scale indicators5 records

Recent moves8 records

Expansion highlights4 records

Direct peers

• GreenWaste Recovery (Honolulu): Hawaii-based organics recycler producing compost and soil amendments from food and yard waste. Comparable to Soil Plus in the compost manufacturing and organic soil amendment space, with a similar sustainability-driven value chain.
• Hawaiian Cement: Hawaii's largest cement and aggregate producer, serving the Big Island alongside Oahu and Maui. Directly comparable to Soil Plus in supplying bulk construction and landscaping materials to Hawaii contractors and homeowners, with overlapping product lines in sand, gravel, and base course.
• Jas. W. Glover, Ltd. Hawaii-based aggregate, asphalt, and ready-mix concrete producer with quarries on the Big Island. Directly comparable as a local materials supplier competing for the same Big Island construction and landscaping customers that Soil Plus serves.
• Hawaiian Earth Recycling: Local Hawaii-based recycler producing compost and soil products. Comparable to Soil Plus in the organic soil amendment and compost manufacturing space, with a similar closed-loop waste-to-product model.
• HC&D LLC (Hawaii Concrete & Drainage Products): Major Hawaii-based producer of ready-mix concrete, aggregates, and drainage products. Comparable to Soil Plus in supplying bulk construction aggregates (drain rock, base course, sand) and serving the commercial/residential construction market across the Hawaiian islands.

Broad incumbents

• SiteOne Landscape Supply: National distributor of landscape supplies including soils, mulches, aggregates, and irrigation products. Comparable to Soil Plus in core product categories (soils, aggregates, mulches) though it operates as a broader multi-category distributor rather than a custom-blend specialist.
• Ewing Irrigation & Landscape Supply: National wholesale distributor of landscape, irrigation, and hardscape products. Comparable to Soil Plus across landscaping supplies and aggregates, though its portfolio is significantly broader and it does not specialize in custom soil blending.
• Ameron Hawaii: Long-established Hawaii manufacturer of concrete pressure pipe, aggregates, and concrete products. Comparable to Soil Plus as a Hawaii-based bulk building materials supplier, though it operates more broadly in infrastructure and civil works rather than landscaping and soil blends.

Regional players

• Central Pacific Landscape Solutions: Hawaii-based full-service landscaping company that sources bulk materials for its projects. Comparable to Soil Plus as a Hawaii-based landscape materials consumer and reseller, though it operates primarily on Oahu rather than the Big Island.
• Old Pine Tree Nursery & Landscaping: Big Island Hawaii landscaping and nursery supplier offering soil, mulch, and plants. Comparable to Soil Plus as a local island supplier of landscaping materials serving residential and contractor customers in the same geography.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat4 records

Key risks6 records

Key highlights7 records

Customer concentration

• Xx.com/soilpluskona
• YouTubeyoutube.com/@SoilPlus
• Facebookfacebook.com/konasoilplus
• Instagraminstagram.com/soilplushawaii
• LinkedInlinkedin.com/company/soil-plus

Revenue estimate

Valuation estimate

Number of profiles

Profiles3 records

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about Soil Plus