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AbNano® VHH Libraries

Faster discovery, half the cost — 50% off through Sept 30, 2026.

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New Lab Start-Up Program

Support for newly opened labs building out their first reagent stock.

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Custom services

When there's no off-the-shelf answer — built to your specification by the team that makes the reagents.
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Custom Antibody Development

Monoclonal, polyclonal and VHH discovery — antigen design through cell line development, scale-up and custom conjugation.

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Diagnostic & Assay Development

Assay design, validation and optimization — plus lyophilization and filling.

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Viral Vector Services

Custom AAV and adenoviral vector design, packaging, purification and titration.

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Antibodies & AntigensPrimary, secondary & recombinant Assays & KitsELISA & immunoassay kits IHC & DiagnosticsMultiplex IHC & spatial biology Lateral Flow ReagentsAntibodies, antigens & gold NanomaterialsGold, silver & silica particles Viral VectorsCustom AAV & adenoviral VHH LibrariesAbNano® single-domain Bulk & OEM ServicesBulk supply & private label

Start with your area of biology

Decades of biology behind every reagent and service.
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Immuno-Oncology & Immunotherapy

Stem Cell Biology

Nanomaterials

Autophagy

Metastasis

The Cell Cycle

Premium portfolio

Products developed and validated in-house, backed by rigorous quality controls.
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Bethyl Laboratories

Rabbit anti-Donkey IgG Heavy & Light Chain Antibody

A140-107
DD, IEPRabbitPolyclonal
$50.00 each
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Bethyl Laboratories

Sheep anti-Human Hemoglobin F Antibody

A80-136A
ELISA, WBSheepPolyclonal
$241.00 each
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Arista Biologicals

Mouse anti-Beta LH Monoclonal Antibody

ABBLH-0401
LFAMouseUnconjugated
Price on request
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Bethyl Laboratories

Mouse anti-Myoglobin Monoclonal Antibody

A500-045A
Human, MouseMonoclonal
Validation performed
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Arista Biologicals

Mouse anti-Beta LH mAb — Colloidal Gold

CGBLH-0700
LFAMouseGold conj.
Price on request
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Arista Biologicals

Recombinant HIV gp36 Antigen

AGHIV-0212
LFAAntigenRecombinant
Price on request
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Arista Biologicals

Streptavidin Colloidal Gold

CGSTV
LFAGold conj.
Price on request
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Bethyl Laboratories

Human IgE ELISA Kit

E88-108
ELISAHumanKit
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Popular resources

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The Six Pillars of Antibody Validation

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Spatial Biology Workflows for TME Profiling

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AbNano VHH Anti-NK Cell Library Data Pack

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AbNano Naïve Data Pack

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One Fortis

Seven trusted brands, one integrated partner.

AbCore Arista Bethyl Empirical IPOC nanoComposix Vector Biolabs
WHERE SCIENCE FINDS MOMENTUM

One force forward

Fortis was established in 2020 to unify specialized companies into one scalable partner. Work that once required multiple suppliers now moves forward together — stronger technical alignment, a more stable supply chain, and support across discovery, translational research and advanced biologics.

Our story
0Global brands unified
0NA sites · 3 ISO
13485
0Customers globally
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publications
0Distributors
0Countries served

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